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
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
A cost effective choice compared to re-worked factory heads, our 210cc package features fully CNC ported intake and exhaust runners, and combustion chambers. Recommended for street, street/strip and towing applications with displacements up to 383 cubic inches, operating at or below 6300 RPM. A minimum 3.900" bore size is required to clear the supplied 2.020" valve. These heads are legal for use on 2005 and older emissions controlled vehicles, under CARB EO #D-250-4.
*LSX bead locks and aftermarket bead locks are not interchangeable. GM made their bead lock radius and depth different. AFR locks are the same as GM LSX.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-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, less than 235* duration, upgraded spring #8019 recommended for higher RPM & larger cams |
|
7° Titanium Retainers 1.245" O.D x .885" 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 |
205cc Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 147 | 214 | 249 | 284 | 296 | 301 |
Exh | 111 | 150 | 209 | 225 | 230 | 233 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
A cost effective choice compared to re-worked factory heads, our 210cc package features fully CNC ported intake and exhaust runners, and combustion chambers. Recommended for street, street/strip and towing applications with displacements up to 383 cubic inches, operating at or below 6300 RPM. A minimum 3.900" bore size is required to clear the supplied 2.020" valve. These heads are legal for use on 2005 and older emissions controlled vehicles, under CARB EO #D-250-4.
*LSX bead locks and aftermarket bead locks are not interchangeable. GM made their bead lock radius and depth different. AFR locks are the same as GM LSX.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-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, less than 235* duration, upgraded spring #8019 recommended for higher RPM & larger cams |
|
7° Titanium Retainers 1.245" O.D x .885" 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 |
205cc Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 147 | 214 | 249 | 284 | 296 | 301 |
Exh | 111 | 150 | 209 | 225 | 230 | 233 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR's 215cc mongoose cylinder heads a recommended for moderate street or street/strip builds with displacements up to 408 cubic inches operating at or below 6500 RPM. This medium sized, high velocity torque monster flows 312 CFM @0.600" of lift.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-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, less than 235* duration, upgraded spring #8019 recommended for higher RPM & larger cams |
|
7° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
215cc Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 149 | 215 | 259 | 293 | 300 | 303 |
Exh | 111 | 150 | 209 | 225 | 230 | 233 |
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 215cc mongoose cylinder heads a recommended for moderate street or street/strip builds with displacements up to 408 cubic inches operating at or below 6500 RPM. This medium sized, high velocity torque monster flows 312 CFM @0.600" of lift.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-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, less than 235* duration, upgraded spring #8019 recommended for higher RPM & larger cams |
|
7° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
215cc Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 149 | 215 | 259 | 293 | 300 | 303 |
Exh | 111 | 150 | 209 | 225 | 230 | 233 |
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
Our 230cc LS1 MONGOOSE cylinder heads are recommended for aggressive street or street/strip builds with displacements up to 427 cubic inches operating at or below 7200 RPM. Capable of flowing 328 CFM at 0.650" lift with a 4.000" bore size.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length | |
8mm Bead Lock Exhaust Valve, 1.600" x 4.900" 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° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
230cc Small Bore Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 157 | 224 | 272 | 311 | 320 | 324 |
Exh | 129 | 183 | 225 | 244 | 248 | 252 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Our 230cc LS1 MONGOOSE cylinder heads are recommended for aggressive street or street/strip builds with displacements up to 427 cubic inches operating at or below 7200 RPM. Capable of flowing 328 CFM at 0.650" lift with a 4.000" bore size.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length | |
8mm Bead Lock Exhaust Valve, 1.600" x 4.900" 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° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
230cc Small Bore Competition Flow Chart | ||||||
.200 | .300 | .400 | .500 | .550 | .600 | |
Int | 157 | 224 | 272 | 311 | 320 | 324 |
Exh | 129 | 183 | 225 | 244 | 248 | 252 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 3.900", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Our max effort cathedral port head for the LSX platform is recommended for race applications or radical "Pro Street" builds with displacements up to 454 cubic inches, operating at or below 6800 RPM. Requires a minimum bore size of 4.000" to clear the supplied 2.165" intake valve. CARB Legal for 2005 and older emissions controlled vehicles under CARB EO #D-250-4 with 65cc combustion chambers.
Basic Package Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.165" x 4.900" Overall Valve Length | |
8mm Bead Lock Exhaust Valve, 1.600" x 4.900" 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° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
245cc Large Bore Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .550 | .600 | .650 | |
Int | 164 | 233 | 290 | 332 | 347 | 356 | 360 |
Exh | 131 | 185 | 227 | 247 | 249 | 257 | 267 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.155", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Our max effort cathedral port head for the LSX platform is recommended for race applications or radical "Pro Street" builds with displacements up to 454 cubic inches, operating at or below 6800 RPM. Requires a minimum bore size of 4.000" to clear the supplied 2.165" intake valve. CARB Legal for 2005 and older emissions controlled vehicles under CARB EO #D-250-4 with 65cc combustion chambers.
Basic Package Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.165" x 4.900" Overall Valve Length | |
8mm Bead Lock Exhaust Valve, 1.600" x 4.900" 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° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
245cc Large Bore Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .550 | .600 | .650 | |
Int | 164 | 233 | 290 | 332 | 347 | 356 | 360 |
Exh | 131 | 185 | 227 | 247 | 249 | 257 | 267 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.155", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
AFR’s 260cc LS3 "Mongoose" heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. They’re designed for 4.000 or larger bore applications up to 454 CI, operating up to 7000 RPM. This product is street legal in 50 states from 2007 to 2016 emission controlled vehicles with a General Motors 6.2L LS engine. AFR heads are available bare (without parts), call our tech line for details.
Basic Package Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.165" 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° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.550" O.A.L | |
Rocker Rail Stand |
AFR #6040
|
260cc Large Bore Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .650 | .700 | |
Int | 159 | 234 | 293 | 336 | 366 | 377 | 384 |
Exh | 112 | 158 | 207 | 235 | 248 | 251 | 255 |
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 260cc LS3 "Mongoose" heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. They’re designed for 4.000 or larger bore applications up to 454 CI, operating up to 7000 RPM. This product is street legal in 50 states from 2007 to 2016 emission controlled vehicles with a General Motors 6.2L LS engine. AFR heads are available bare (without parts), call our tech line for details.
Basic Package Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-angle Valve Job |
|
8mm Bead Lock Intake Valve, 2.165" 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° Titanium Retainers 1.245" O.D x .885" 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 | |
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep | |
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep | |
8 mm Bronze Valve Guides .502" O.D x 2.550" O.A.L | |
Rocker Rail Stand |
AFR #6040
|
260cc Large Bore Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .650 | .700 | |
Int | 159 | 234 | 293 | 336 | 366 | 377 | 384 |
Exh | 112 | 158 | 207 | 235 | 248 | 251 | 255 |
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
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
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