AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
This .060" oval port intake gasket is specifically made to match AFR Big Block Chevy oval port cylinder Heads. Ensure the best seal with AFR's custom designed intake gaskets.
This .060" oval port intake gasket is specifically made to match AFR Big Block Chevy oval port cylinder Heads. Ensure the best seal with AFR's custom designed intake gaskets.
These AFR Specific Rockers provide the best possible wipe pattern for our latest BBC V2 Cylinder Heads.
These AFR Specific Rockers provide the best possible wipe pattern for our latest BBC V2 Cylinder Heads.
This T&D Shaft Mount System is designed for AFR's BBC Magnum Cylinder heads with a 1.7 rocker ratio. Get the most out of your AFR BBC cylinder heads with these high quality shaft mount systems from T&D Machining.
This T&D Shaft Mount System is designed for AFR's BBC Magnum Cylinder heads with a 1.7 rocker ratio. Get the most out of your AFR BBC cylinder heads with these high quality shaft mount systems from T&D Machining.
Recommended for agressive street or street/strip applications with displacements up to 540 cubic inches, operating at or below 6800 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers. These heads are capable of flowing 387 CFM at 0.800" of lift.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
|
Competition 5-Angle Valve Job |
|
| 11/32" Intake Valve, 2.250" x 5.500" O.A.L | |
| 11/32" Nail Head Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
| 10° 11/32” Valve Keepers with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 315cc Competition Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 163 | 239 | 301 | 349 | 380 | 386 | 387 |
| Exh | 138 | 184 | 238 | 271 | 285 | 293 | 299 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
315cc
|
| Intake Port Dimension |
2.450"H x 1.755"W x 13/32 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (As Cast) |
117cc
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.151 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6853 (.120" Thick)
|
| Intake Port Gasket |
AFR #6855 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3924 (Pump Gas) / 3922 (Race Gas)
|
|
Note: 1” longer head bolt needed on four bottom exhaust bolt holes. |
|
Recommended for agressive street or street/strip applications with displacements up to 540 cubic inches, operating at or below 6800 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers. These heads are capable of flowing 387 CFM at 0.800" of lift.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
|
Competition 5-Angle Valve Job |
|
| 11/32" Intake Valve, 2.250" x 5.500" O.A.L | |
| 11/32" Nail Head Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
| 10° 11/32” Valve Keepers with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 315cc Competition Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 163 | 239 | 301 | 349 | 380 | 386 | 387 |
| Exh | 138 | 184 | 238 | 271 | 285 | 293 | 299 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
315cc
|
| Intake Port Dimension |
2.450"H x 1.755"W x 13/32 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (As Cast) |
117cc
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.151 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6853 (.120" Thick)
|
| Intake Port Gasket |
AFR #6855 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3924 (Pump Gas) / 3922 (Race Gas)
|
|
Note: 1” longer head bolt needed on four bottom exhaust bolt holes. |
|
Recommended for radical "Pro Street" or racing applications with displacements up to 605 cubic inches, operating at or below 7400 RPM. AFR's 357cc cylinder heads features fully CNC machined intake runners, exhaust ports and combustion chambers; capable of flowing 425 CFM at 0.800" of lift. These cylinder heads now come standard with Titanium retainers.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
|
Competition 5 Angle Valve Job |
|
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Titanium Retainers 1.500" O.D x 1.180" I.D x .765" I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 357cc Competition Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 167 | 242 | 307 | 354 | 389 | 409 | 419 |
| Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
357cc
|
| Intake Port Dimension |
2.515"H x 1.780"W x 11/32 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.435 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6854 (.120" Thick)
|
| Intake Port Gasket |
AFR #6856 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3924 (Pump Gas) / 3922 (Race Gas)
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
Recommended for radical "Pro Street" or racing applications with displacements up to 605 cubic inches, operating at or below 7400 RPM. AFR's 357cc cylinder heads features fully CNC machined intake runners, exhaust ports and combustion chambers; capable of flowing 425 CFM at 0.800" of lift. These cylinder heads now come standard with Titanium retainers.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
|
Competition 5 Angle Valve Job |
|
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Titanium Retainers 1.500" O.D x 1.180" I.D x .765" I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 357cc Competition Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 167 | 242 | 307 | 354 | 389 | 409 | 419 |
| Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
357cc
|
| Intake Port Dimension |
2.515"H x 1.780"W x 11/32 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.435 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6854 (.120" Thick)
|
| Intake Port Gasket |
AFR #6856 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3924 (Pump Gas) / 3922 (Race Gas)
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
Recommended for radical streep/strip or "Pro Street" applications with displacements up to 572 cubic inches, operating at or belwo 7000 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers; these heads are capable of flowing 410 CFM at 0.800" of lift.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5 Angle Valve Job | |
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 335cc Competition Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 164 | 240 | 304 | 352 | 385 | 401 | 409 |
| Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
335cc
|
| Intake Port Dimension |
2.455"H x 1.755"W x 13/32 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" thick intake gasket. | |
| Minimum Cross Sectional Area |
3.275 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6853 (.120" Thick)
|
| Intake Port Gasket |
AFR #6855 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Pump Gas 3924 / Race Gas 3922
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
Recommended for radical streep/strip or "Pro Street" applications with displacements up to 572 cubic inches, operating at or belwo 7000 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers; these heads are capable of flowing 410 CFM at 0.800" of lift.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5 Angle Valve Job | |
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 335cc Competition Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | |
| Int | 164 | 240 | 304 | 352 | 385 | 401 | 409 |
| Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
335cc
|
| Intake Port Dimension |
2.455"H x 1.755"W x 13/32 Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" thick intake gasket. | |
| Minimum Cross Sectional Area |
3.275 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6853 (.120" Thick)
|
| Intake Port Gasket |
AFR #6855 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Pump Gas 3924 / Race Gas 3922
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
Best suited for +540 cubic inch large displacement big block chevy racing engines, operating at or below 7600 RPM. Our 37cc cylinder heads feature fully CNC machined intake runners, exhaust ports and combustion chambers. Equipped with Titanium retainers and high quality components, these heads are capable of flowing 437 CFM at 0.900" of lift.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
|
Competition 5 Angle Valve Job |
|
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Titanium Retainer 1.500" O.D x 1.180" I.D x .765" I.D | |
| 10° 11/32” Valve Keepers with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 377cc Competition Flow Chart | ||||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | .900 | |
| Int | 168 | 247 | 311 | 355 | 405 | 420 | 429 | 432 |
| Exh | 134 | 190 | 240 | 280 | 299 | 308 | 314 | 319 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
377cc
|
| Intake Port Dimension |
2.520" H x 1.800" W x 13/32° Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.860 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6854 (.120" Thick)
|
| Intake Port Gasket |
AFR #6856 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3932
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
Best suited for +540 cubic inch large displacement big block chevy racing engines, operating at or below 7600 RPM. Our 37cc cylinder heads feature fully CNC machined intake runners, exhaust ports and combustion chambers. Equipped with Titanium retainers and high quality components, these heads are capable of flowing 437 CFM at 0.900" of lift.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
|
Competition 5 Angle Valve Job |
|
| 11/32" Intake Valve, 2.300" x5.500" O.A.L | |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
| PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
| 10° Titanium Retainer 1.500" O.D x 1.180" I.D x .765" I.D | |
| 10° 11/32” Valve Keepers with lashcap recess | |
| ARP 7/16” Rocker Studs Intake | |
| ARP 7/16” Rocker Studs Exhaust | |
| Adjustable 3/8" Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | |
| 377cc Competition Flow Chart | ||||||||
| .200 | .300 | .400 | .500 | .600 | .700 | .800 | .900 | |
| Int | 168 | 247 | 311 | 355 | 405 | 420 | 429 | 432 |
| Exh | 134 | 190 | 240 | 280 | 299 | 308 | 314 | 319 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
| Specifications & Features: | |
| Material |
A356 Aluminum
|
| Intake Port Volume |
377cc
|
| Intake Port Dimension |
2.520" H x 1.800" W x 13/32° Radius
|
| Intake Port Location |
Stock
|
| Exhaust Port Volume |
135cc
|
| Exhaust Port Dimension |
1.780"H x 2.025" W
|
| Exhaust Port Location |
.375" Raised
|
| Combustion Chamber Size (Full CNC) |
121cc
|
| Valve Cover Bolt Pattern |
Perimeter Bolt
|
| Valve Angle |
24°/4° Int, 15°/4° Exh
|
| Valve Spring Pocket Diameter |
1.725" O.D
|
| Max Valve Spring Pocket Machining |
1.750" O.D
|
| Deck Thickness |
.750"
|
| Minimum Bore Diameter |
4.250"
|
| Flat Mill |
.006" per cc/ Maximum 114cc
|
| Angle Mill |
.009" per cc/Maximum 104cc
|
| Note: Angle mills might require a .120" Thick intake gasket. | |
| Minimum Cross Sectional Area |
3.860 sq. in.
|
| Spark Plug Dimensions |
14mm x .750" w/Gasket Seat
|
|
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING. |
|
| Recommended Components: | |
| Intake Port Gasket |
AFR #6854 (.120" Thick)
|
| Intake Port Gasket |
AFR #6856 (.060" Thick)
|
| Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes. | |
| Exhaust Port Gasket | |
| Head Gasket |
Fel-Pro #1017-1 (Mark IV) or AFR #6850
|
| Head Gasket |
Fel-Pro #1047 (Mark V and VI) or AFR #6849
|
| Head Bolts |
ARP 135-3703 (Mark IV) or AFR #6306
|
| Head Bolts |
ARP 135-3707 (Mark V) or AFR #6308
|
| Head Studs |
ARP 235-4713 or AFR #6307
|
| Head Bolt Washers |
Manley, AFR #6320
|
| Stud Girdle, (AFR Specific) | |
| 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) | |
| 1.7 Shaft Mount Rocker Arms T&D | |
| Shaft Mount Rocker Arms |
Crower or Jesel Pro Series
|
| Suggested Manifold |
Victor Jr
|
| Suggested Manifold |
Super Victor
|
| Spark Plug Starting Range |
Autolite 3932
|
| Note: 1” longer head bolt needed on four bottom exhaust bolt holes. | |
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Part# 6849