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Bullitt CNC

280cc BBF Cylinder Head

Our 280cc feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout with standard exhaust port locations. Recommended for street, towing, or street/strip engines with displacements up to 477 cubic inches, operating up to 6200 RPM. Please note, due to AFR's valve angle and location, custom pistons or notching existing pistons will be required.

Included Components
50% CNC Ported Combustion Chambers
80% CNC Bowl Blend Intake & Exhaust
Competition 5-Angle Valve Job
11/32" Bead Lock Intake Valve 2.250" x 5.250" O.A.L	AFR #7551
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L	AFR #7553
PAC Racing Springs 1.550" OD Solid Roller Dual Valve Drag Race Spring 220 lbs. on seat, .680" maximum lift Max RPM 7200-7400 (upgrades available)	AFR #8000
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700	AFR #8002
10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° 11/32" Beadlock Valve Keepers with lashcap recess	AFR #9010
ARP 7/16" Rocker Studs	AFR #6407
Adjustable 3/8" Guide Plates	AFR #6108
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D	AFR #8048
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep	AFR #9065
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep	AFR #9066
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L	AFR #9042

280cc Street Head Flow Chart
	.200	.300	.400	.500	.600
Int	169	244	301	349	383
Exh	125	160	205	238	255

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	280cc
Intake Port Dimension	2.230" H x 1.815" W x .525 Radius
Intake Port Location	Stock
Exhaust Port Volume	132cc
Exhaust Port Dimension	1.830"H x 1.600"W
Exhaust Port Location	Stock
Combustion Chamber Size	75cc or 85cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	14° Intake/8° Exhaust
Valve Cant	4.04° Intake/4.12° Exhaust
Valve Spring Pocket Diameter	1.750" O.D
Max Valve Spring Pocket Machining	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.360"
Flat Mill	.007" per cc
Angle Mill	.010" per cc
Note:Angle mills might require a .120" Thick intake gasket.
Minimum Cross Sectional Area	3.225 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 #6893
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, Fel-Pro #1420	AFR #6891
Head Gasket, 4.500 Bore, Fel-Pro #1018	AFR #6892
Head Bolts, ARP #255-3701	AFR #6340
Head Studs, ARP# 155-4203 12 Point	AFR #6341
Head Bolt Washers, Manley	AFR #6320
Stud Girdle	AFR #6209
1.75 Shaft Mount Rocker Arms T&D	AFR #6067
Suggested Manifold	AFR 4150 Single Plane, AFR #4992
Suggested Manifold	AFR 4500 Single Plane, AFR #4993
Spark Plug Starting Range	Autolite 3922 - Race Gas
Spark Plug Starting Range	Autolite 3924 - Pump Gas

$2,550.86

FREE Shipping!

280cc BBF Cylinder Head

0 Reviews

$2550.86 - $2664.31

FREE Shipping!

View Details

Included Components
50% CNC Ported Combustion Chambers
80% CNC Bowl Blend Intake & Exhaust
Competition 5-Angle Valve Job
11/32" Bead Lock Intake Valve 2.250" x 5.250" O.A.L	AFR #7551
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L	AFR #7553
PAC Racing Springs 1.550" OD Solid Roller Dual Valve Drag Race Spring 220 lbs. on seat, .680" maximum lift Max RPM 7200-7400 (upgrades available)	AFR #8000
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700	AFR #8002
10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° 11/32" Beadlock Valve Keepers with lashcap recess	AFR #9010
ARP 7/16" Rocker Studs	AFR #6407
Adjustable 3/8" Guide Plates	AFR #6108
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D	AFR #8048
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep	AFR #9065
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep	AFR #9066
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L	AFR #9042

280cc Street Head Flow Chart
	.200	.300	.400	.500	.600
Int	169	244	301	349	383
Exh	125	160	205	238	255

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	280cc
Intake Port Dimension	2.230" H x 1.815" W x .525 Radius
Intake Port Location	Stock
Exhaust Port Volume	132cc
Exhaust Port Dimension	1.830"H x 1.600"W
Exhaust Port Location	Stock
Combustion Chamber Size	75cc or 85cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	14° Intake/8° Exhaust
Valve Cant	4.04° Intake/4.12° Exhaust
Valve Spring Pocket Diameter	1.750" O.D
Max Valve Spring Pocket Machining	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.360"
Flat Mill	.007" per cc
Angle Mill	.010" per cc
Note:Angle mills might require a .120" Thick intake gasket.
Minimum Cross Sectional Area	3.225 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 #6893
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, Fel-Pro #1420	AFR #6891
Head Gasket, 4.500 Bore, Fel-Pro #1018	AFR #6892
Head Bolts, ARP #255-3701	AFR #6340
Head Studs, ARP# 155-4203 12 Point	AFR #6341
Head Bolt Washers, Manley	AFR #6320
Stud Girdle	AFR #6209
1.75 Shaft Mount Rocker Arms T&D	AFR #6067
Suggested Manifold	AFR 4150 Single Plane, AFR #4992
Suggested Manifold	AFR 4500 Single Plane, AFR #4993
Spark Plug Starting Range	Autolite 3922 - Race Gas
Spark Plug Starting Range	Autolite 3924 - Pump Gas

315cc BBF Cylinder Head

0 Reviews

The 315cc heads are AFR's largest and best flowing BBF heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, and high quality components throughout with .250 or .625 raised exhaust port locations. These heads are best suited for large displacement high RPM Big Block Ford racing engines or radical “Pro Street” style builds. Please note, due to AFR's valve angle and location, custom pistons or notching existing pistons will be required.

Included Components
100% CNC Ported Combustion Chambers
100% CNC Ported Intake & Exhaust
Competition 5-Angle Valve Job
11/32" Bead Lock Intake Valve 2.300" x 5.250" O.A.L	AFR #7552
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L	AFR #7553
PAC Racing #1224 1.625" OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850" maximum lift, Max RPM 7400-7600 Uses #8518 Steel Retainer & #8046 Spring Cup (upgrades available)	AFR #8031
10° Manley Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D	AFR #8518
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700; Uses #8511 Steel Retainer	AFR #8002
10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° 11/32" Beadlock Valve Keepers with lashcap recess	AFR #9010
ARP 7/16" Rocker Studs	AFR #6407
Adjustable 3/8" Guide Plates	AFR #6108
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D	AFR #8048
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep	AFR #9065
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep	AFR #9066
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L	AFR #9042

315cc Street Head Flow Chart
	.200	.300	.400	.500	.600	.650	.700	.750
Int	162	244	305	355	394	405	414	419
Exh	124	166	212	248	267	272	276	276

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	315cc
Intake Port Dimension	2.275" H x 1.850" W x .575 Radius
Intake Port Location	Stock
Exhaust Port Volume	142cc
Exhaust Port Dimension	1.850"H x 1.600"W
Exhaust Port Location	.250" Raised
Combustion Chamber Size	75cc or 85cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	14° Intake/8° Exhaust
Valve Cant	4.04° Intake/4.12° Exhaust
Valve Spring Pocket Diameter	1.750" O.D
Max Valve Spring Pocket Machining	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.360"
Flat Mill	.007" per cc
Angle Mill	.010" per cc
Note:Angle mills might require a .120" Thick intake gasket.
Minimum Cross Sectional Area	3.440 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 #6893
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, Fel-Pro #1420	AFR #6891
Head Gasket, 4.500 Bore, Fel-Pro #1018	AFR #6892
Head Bolts, ARP #255-3701	AFR #6340
Head Studs, ARP# 155-4203 12 Point	AFR #6341
Head Bolt Washers, Manley	AFR #6320
Stud Girdle	AFR #6209
1.75 Shaft Mount Rocker Arms T&D	AFR #6067
Suggested Manifold	AFR 4500 Single Plane, AFR #4993
Suggested Manifold	AFR 4150 Single Plane, AFR #4992
Spark Plug Starting Range	Autolite 3922 - Race Gas
Spark Plug Starting Range	Autolite 3924 - Pump Gas

$3,279.63

FREE Shipping!

315cc BBF Cylinder Head

0 Reviews

$3279.63 - $3378.01

FREE Shipping!

View Details

Included Components
100% CNC Ported Combustion Chambers
100% CNC Ported Intake & Exhaust
Competition 5-Angle Valve Job
11/32" Bead Lock Intake Valve 2.300" x 5.250" O.A.L	AFR #7552
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L	AFR #7553
PAC Racing #1224 1.625" OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850" maximum lift, Max RPM 7400-7600 Uses #8518 Steel Retainer & #8046 Spring Cup (upgrades available)	AFR #8031
10° Manley Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D	AFR #8518
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700; Uses #8511 Steel Retainer	AFR #8002
10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° 11/32" Beadlock Valve Keepers with lashcap recess	AFR #9010
ARP 7/16" Rocker Studs	AFR #6407
Adjustable 3/8" Guide Plates	AFR #6108
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D	AFR #8048
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep	AFR #9065
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep	AFR #9066
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L	AFR #9042

315cc Street Head Flow Chart
	.200	.300	.400	.500	.600	.650	.700	.750
Int	162	244	305	355	394	405	414	419
Exh	124	166	212	248	267	272	276	276

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	315cc
Intake Port Dimension	2.275" H x 1.850" W x .575 Radius
Intake Port Location	Stock
Exhaust Port Volume	142cc
Exhaust Port Dimension	1.850"H x 1.600"W
Exhaust Port Location	.250" Raised
Combustion Chamber Size	75cc or 85cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	14° Intake/8° Exhaust
Valve Cant	4.04° Intake/4.12° Exhaust
Valve Spring Pocket Diameter	1.750" O.D
Max Valve Spring Pocket Machining	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.360"
Flat Mill	.007" per cc
Angle Mill	.010" per cc
Note:Angle mills might require a .120" Thick intake gasket.
Minimum Cross Sectional Area	3.440 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 #6893
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, Fel-Pro #1420	AFR #6891
Head Gasket, 4.500 Bore, Fel-Pro #1018	AFR #6892
Head Bolts, ARP #255-3701	AFR #6340
Head Studs, ARP# 155-4203 12 Point	AFR #6341
Head Bolt Washers, Manley	AFR #6320
Stud Girdle	AFR #6209
1.75 Shaft Mount Rocker Arms T&D	AFR #6067
Suggested Manifold	AFR 4500 Single Plane, AFR #4993
Suggested Manifold	AFR 4150 Single Plane, AFR #4992
Spark Plug Starting Range	Autolite 3922 - Race Gas
Spark Plug Starting Range	Autolite 3924 - Pump Gas

295cc BBF Cylinder Head

0 Reviews

AFR's 295cc heads feature 100% CNC ported intake, exhaust chambers, A356 aluminum castings and high quality components throughout with standard or .250 raised exhaust port locations. Recommended for more aggressive or street/strip or racing builds with displacements up to 512 cubic inches, operating up to 6500 RPM.Please note, due to AFR's valve angle and location, custom pistons or notching existing pistons will be required.

Included Components
100% CNC Ported Combustion Chambers
100% CNC Ported Intake & Exhaust
Competition 5-Angle Valve Job
11/32" Bead Lock Intake Valve 2.250" x 5.250" O.A.L	AFR #7551
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L	AFR #7553
PAC Racing #1224 1.625" OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850" maximum lift, Max RPM 7400-7600 Uses #8518 Steel Retainer & #8046 Spring Cup (upgrades available)	AFR #8031
10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D	AFR #8518
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700; Uses #8511 Steel Retainer	AFR #8002
10° Manley Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° 11/32" Beadlock Valve Keepers with lashcap recess	AFR #9010
ARP 7/16" Rocker Studs	AFR #6407
Adjustable 3/8" Guide Plates	AFR #6108
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D	AFR #8048
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep	AFR #9065
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep	AFR #9066
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L	AFR #9042

295cc Stock Exhaust BBF Flow Chart
	.200	.300	.400	.500	.600	.650	.700
Int	165	243	304	352	390	394	402
Exh	125	160	205	238	255	261	264

295cc .250 Raised BBF Flow Chart
	.200	.300	.400	.500	.600	.650	.700
Int	165	243	304	352	390	394	402
Exh	124	166	212	248	267	272	276

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	295cc
Intake Port Dimension	2.275" H x 1.850" W x .575 Radius
Intake Port Location	Stock
Exhaust Port Volume	142cc
Exhaust Port Dimension	1.850"H x 1.600"W
Exhaust Port Location	Stock or .250" Raised
Combustion Chamber Size	75cc or 85cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	14° Intake/8° Exhaust
Valve Cant	4.04° Intake/4.12° Exhaust
Valve Spring Pocket Diameter	1.750" O.D
Max Valve Spring Pocket Machining	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.360"
Flat Mill	.007" per cc
Angle Mill	.010" per cc
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 #6893
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, Fel-Pro #1420	AFR #6891
Head Gasket, 4.500 Bore, Fel-Pro #1018	AFR #6892
Head Bolts, ARP #255-3701	AFR #6340
Head Studs, ARP# 155-4203 12 Point	AFR #6341
Head Bolt Washers, Manley	AFR #6320
Stud Girdle	AFR #6209
1.75 Shaft Mount Rocker Arms T&D	AFR #6067
Suggested Manifold	AFR 4150 Single Plane, AFR #4992
Suggested Manifold	AFR 4500 Single Plane, AFR #4993
Spark Plug Starting Range	Autolite 3922 - Race Gas
Spark Plug Starting Range	Autolite 3924 - Pump Gas

$3,032.18

FREE Shipping!

295cc BBF Cylinder Head

0 Reviews

$3032.18 - $3362.60

FREE Shipping!

View Details

Included Components
100% CNC Ported Combustion Chambers
100% CNC Ported Intake & Exhaust
Competition 5-Angle Valve Job
11/32" Bead Lock Intake Valve 2.250" x 5.250" O.A.L	AFR #7551
11/32" Bead Lock Tulip Exhaust Valve 1.760" x 5.050" O.A.L	AFR #7553
PAC Racing #1224 1.625" OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850" maximum lift, Max RPM 7400-7600 Uses #8518 Steel Retainer & #8046 Spring Cup (upgrades available)	AFR #8031
10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D	AFR #8518
PAC Racing #1940 1.550" OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725" maximum lift Max RPM 6500-6700; Uses #8511 Steel Retainer	AFR #8002
10° Manley Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D	AFR #8511
10° 11/32" Beadlock Valve Keepers with lashcap recess	AFR #9010
ARP 7/16" Rocker Studs	AFR #6407
Adjustable 3/8" Guide Plates	AFR #6108
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550" O.D x .705" I.D	AFR #8048
Intake Valve Seats 2.450" O.D x 1.950" I.D x .375" Deep	AFR #9065
Exhaust Valve Seat 1.900" O.D. x 1.400" I.D. x .375" Deep	AFR #9066
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L	AFR #9042

295cc Stock Exhaust BBF Flow Chart
	.200	.300	.400	.500	.600	.650	.700
Int	165	243	304	352	390	394	402
Exh	125	160	205	238	255	261	264

295cc .250 Raised BBF Flow Chart
	.200	.300	.400	.500	.600	.650	.700
Int	165	243	304	352	390	394	402
Exh	124	166	212	248	267	272	276

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.380", 3/4" radius plate exhaust, 2 1/8" curved pipe

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	295cc
Intake Port Dimension	2.275" H x 1.850" W x .575 Radius
Intake Port Location	Stock
Exhaust Port Volume	142cc
Exhaust Port Dimension	1.850"H x 1.600"W
Exhaust Port Location	Stock or .250" Raised
Combustion Chamber Size	75cc or 85cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	14° Intake/8° Exhaust
Valve Cant	4.04° Intake/4.12° Exhaust
Valve Spring Pocket Diameter	1.750" O.D
Max Valve Spring Pocket Machining	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.360"
Flat Mill	.007" per cc
Angle Mill	.010" per cc
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 #6893
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, Fel-Pro #1420	AFR #6891
Head Gasket, 4.500 Bore, Fel-Pro #1018	AFR #6892
Head Bolts, ARP #255-3701	AFR #6340
Head Studs, ARP# 155-4203 12 Point	AFR #6341
Head Bolt Washers, Manley	AFR #6320
Stud Girdle	AFR #6209
1.75 Shaft Mount Rocker Arms T&D	AFR #6067
Suggested Manifold	AFR 4150 Single Plane, AFR #4992
Suggested Manifold	AFR 4500 Single Plane, AFR #4993
Spark Plug Starting Range	Autolite 3922 - Race Gas
Spark Plug Starting Range	Autolite 3924 - Pump Gas

280cc BBF Cylinder Head

$2,550.86

280cc BBF Cylinder Head

$2550.86 - $2664.31

315cc BBF Cylinder Head

$3,279.63

315cc BBF Cylinder Head

$3279.63 - $3378.01

295cc BBF Cylinder Head

$3,032.18

295cc BBF Cylinder Head

$3032.18 - $3362.60

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