AFR's 185cc SB Ford Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY. Sold as a single piece, 2 are required per engine.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) | |
| 7° Steel Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| ARP 3/8" Rocker Studs | |
| Adjustable 5/16" Guide Plates | |
| Viton Valve Seals .675" O.D x .513" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 185cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 119 | 177 | 225 | 255 | 257 | 260 |
| Exh | 105 | 143 | 163 | 166 | 168 | 170 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 185cc SB Ford Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY. Sold as a single piece, 2 are required per engine.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) | |
| 7° Steel Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| ARP 3/8" Rocker Studs | |
| Adjustable 5/16" Guide Plates | |
| Viton Valve Seals .675" O.D x .513" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 185cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 119 | 177 | 225 | 255 | 257 | 260 |
| Exh | 105 | 143 | 163 | 166 | 168 | 170 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 185cc SB Ford Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. In addition, these heads utilize a 1.900” Intake valve and are compatible with OEM piston valve relief. This budget friendly head is perfect for your 302 to 363 Cubic Inch engine operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads, such as ARP rockers studs, PAC Racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one-piece 8mm 21 4N Stainless Steel valves. They are available bare and without any parts for the DIY.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 1.900" x 5.000" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) | |
| 7° Steel Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| ARP 3/8" Rocker Studs | |
| Adjustable 5/16" Guide Plates | |
| Viton Valve Seals .675" O.D x .513" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 185cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 123 | 175 | 208 | 232 | 242 | 251 |
| Exh | 105 | 143 | 163 | 166 | 168 | 170 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 185cc SB Ford Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. In addition, these heads utilize a 1.900” Intake valve and are compatible with OEM piston valve relief. This budget friendly head is perfect for your 302 to 363 Cubic Inch engine operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads, such as ARP rockers studs, PAC Racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one-piece 8mm 21 4N Stainless Steel valves. They are available bare and without any parts for the DIY.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 1.900" x 5.000" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) | |
| 7° Steel Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| ARP 3/8" Rocker Studs | |
| Adjustable 5/16" Guide Plates | |
| Viton Valve Seals .675" O.D x .513" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 185cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 123 | 175 | 208 | 232 | 242 | 251 |
| Exh | 105 | 143 | 163 | 166 | 168 | 170 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
Our new 195cc SBC Enforcer cylinder heads are a budget friendly offering that is available as a “No Parts” head or can be ordered fully assembled with the same great components found in our higher end cylinder heads; such as ARP rockers studs, PAC Racing springs, AFR adjustable guide plates and our Stainless Steel valves.
These heads come with an As-Cast surface on the intake runnners, exhaust runners and combustion chambers. They are a perfect choice for anyone looking to upgrade from the factory Iron pieces. Available in straight or angled spark plug configurations. Sold as a single piece, 2 required per engine.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
|
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500(upgrades available) |
|
| 7° Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| ARP 3/8" Rocker Studs | |
| Adjustable 5/16" Guide Plates | |
| Viton Valve Seals .675" O.D x .513" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 195cc As Cast Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 133 | 188 | 226 | 250 | 251 | 251 |
| Exh | 104 | 138 | 158 | 186 | 191 | 197 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
Our new 195cc SBC Enforcer cylinder heads are a budget friendly offering that is available as a “No Parts” head or can be ordered fully assembled with the same great components found in our higher end cylinder heads; such as ARP rockers studs, PAC Racing springs, AFR adjustable guide plates and our Stainless Steel valves.
These heads come with an As-Cast surface on the intake runnners, exhaust runners and combustion chambers. They are a perfect choice for anyone looking to upgrade from the factory Iron pieces. Available in straight or angled spark plug configurations. Sold as a single piece, 2 required per engine.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length | |
|
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500(upgrades available) |
|
| 7° Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| ARP 3/8" Rocker Studs | |
| Adjustable 5/16" Guide Plates | |
| Viton Valve Seals .675" O.D x .513" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 195cc As Cast Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 133 | 188 | 226 | 250 | 251 | 251 |
| Exh | 104 | 138 | 158 | 186 | 191 | 197 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine. Please see footnotes for additional information.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 2.020” x 4.900" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600” x 4.900" Overall Valve Length | |
|
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 |
|
| 7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D | |
| 7° Bead Lock Valve Keepers | |
| Viton Valve Seals .620" O.D x .490" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 210cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 148 | 209 | 253 | 265 | 268 | 268 |
| Exh | 105 | 150 | 180 | 199 | 204 | 207 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine. Please see footnotes for additional information.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve, 2.020” x 4.900" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600” x 4.900" Overall Valve Length | |
|
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 |
|
| 7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D | |
| 7° Bead Lock Valve Keepers | |
| Viton Valve Seals .620" O.D x .490" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 210cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 148 | 209 | 253 | 265 | 268 | 268 |
| Exh | 105 | 150 | 180 | 199 | 204 | 207 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine. Please see footnotes for additional information.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve 2.000” x 4.900” O.A.L. | |
| 8mm Bead Lock Exhaust Valve, 1.570” x 4.915" Overall Valve Length | |
|
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 |
|
| 7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D | |
| 7° Bead Lock Valve Keepers | |
| Viton Valve Seals .620" O.D x .490" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 210cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 136 | 199 | 246 | 272 | 276 | 265 |
| Exh | 93 | 140 | 180 | 204 | 211 | 215 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine. Please see footnotes for additional information.
| Included Components | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
| As Cast Intake Ports | |
|
3-angle Valve Job |
|
| 8mm Bead Lock Intake Valve 2.000” x 4.900” O.A.L. | |
| 8mm Bead Lock Exhaust Valve, 1.570” x 4.915" Overall Valve Length | |
|
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 |
|
| 7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D | |
| 7° Bead Lock Valve Keepers | |
| Viton Valve Seals .620" O.D x .490" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| 210cc Street Head Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 136 | 199 | 246 | 272 | 276 | 265 |
| Exh | 93 | 140 | 180 | 204 | 211 | 215 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
| Basic Package Components | |
| 100% As Cast Intake, Exhaust, and Combustion Chambers | |
| Competition 5-angle Valve Job | |
| 8mm Bead Lock Intake Valve, 2.080" x 5.200" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.205" Overall Valve Length | |
| PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650 maximum lift, Max RPM 7000-7200 | |
| 7° Steel Retainers 1.245" O.D x .880" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| Viton Valve Seals .600" O.D x .495" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| Rocker Rail Stand |
AFR #6040
|
| 238cc LS3 As Cast Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .550 | .600 | .650 | |
| Int | 157 | 229 | 276 | 307 | 315 | 308 | 308 |
| Exh | 112 | 152 | 182 | 204 | 209 | 215 | 217 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
| Basic Package Components | |
| 100% As Cast Intake, Exhaust, and Combustion Chambers | |
| Competition 5-angle Valve Job | |
| 8mm Bead Lock Intake Valve, 2.080" x 5.200" Overall Valve Length | |
| 8mm Bead Lock Exhaust Valve, 1.600" x 5.205" Overall Valve Length | |
| PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650 maximum lift, Max RPM 7000-7200 | |
| 7° Steel Retainers 1.245" O.D x .880" I.D x .655" I.D | |
| 7° Bead Lock Valve Keepers | |
| Viton Valve Seals .600" O.D x .495" I.D | |
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D | |
| Rocker Rail Stand |
AFR #6040
|
| 238cc LS3 As Cast Flow Chart | |||||||
| .200 | .300 | .400 | .500 | .550 | .600 | .650 | |
| Int | 157 | 229 | 276 | 307 | 315 | 308 | 308 |
| Exh | 112 | 152 | 182 | 204 | 209 | 215 | 217 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine.
| Included Components | |
| 3-angle Valve Job | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
|
As Cast Intake Ports |
|
| 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 #1940 1.550” OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725” maximum lift, Max RPM 6500-6700 | |
| 10º Steel Retainers 1.500” O.D x 1.120” I.D x .705” I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16" Rocker Exhaust Studs | |
| ARP 7/16" Rocker Intake Studs | |
| 3/8” Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Valve Spring I.D Locator 1.550” O.D x .705” I.D | |
| 335cc BBC Enforcer Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .600 | .700 | |
| Int | 140 | 207 | 265 | 296 | 336 | 355 |
| Exh | 119 | 172 | 211 | 239 | 249 | 255 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine.
| Included Components | |
| 3-angle Valve Job | |
| As Cast Combustion Chambers | |
| As Cast Exhaust Ports | |
|
As Cast Intake Ports |
|
| 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 #1940 1.550” OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725” maximum lift, Max RPM 6500-6700 | |
| 10º Steel Retainers 1.500” O.D x 1.120” I.D x .705” I.D | |
| 10° 11/32" Valve Locks with lashcap recess | |
| ARP 7/16" Rocker Exhaust Studs | |
| ARP 7/16" Rocker Intake Studs | |
| 3/8” Guide Plates | |
| 11/32" Viton Valve Seals | |
| Hardened Valve Spring I.D Locator 1.550” O.D x .705” I.D | |
| 335cc BBC Enforcer Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .600 | .700 | |
| Int | 140 | 207 | 265 | 296 | 336 | 355 |
| Exh | 119 | 172 | 211 | 239 | 249 | 255 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
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