LS1 CYLINDER HEADS

ALL HEADS 100% CNC PORTED 

Patriot Performance LS6 15°

Stage II Porting

2.020"- 1.570" Stainless Valves

Gold .650 Dual Springs

Titanium Retainers

304 cfm int / 229 cfm exh @.600"

Combustion chamber 59cc or 64cc

Bore sizes available 3.905" 4.030" 4.125"

$1,600.00

Patriot Performance LS6 15°

Stage III Porting

2.080"- 1.600" Stainless Valves

Gold .650 Dual Springs

Titanium Retainers

322 cfm int / 237 cfm exh @.600"

Combustion chamber 64cc or 68cc

Bore sizes available 3.905" 4.030" 4.125"

$1,600.00

GM 260cc L92 15°

Bowl Blending

2.160" - 1.590" Stainless Valves

Patriot .650 Dual Springs

Titanium Retainers

335 cfm int / 230 cfm exh @.600"

Combustion chamber size 70 cc

Bore size available 4.005" or 4.060"

GM L92 Rockers, Pedestals, Rocker Bolts

$1,900.00

Air Flow Research 205cc LS1 15°

Stage III Porting

2.020"- 1.600" Stainless Valves

AFR .600 Dual Springs

Titanium Retainers

300 cfm int / 230 cfm exh @.600"

Combustion chamber size 66cc

Bore size available 3.905"

$2,800.00

Trick Flow 215cc LS1 13.5°

Stage III Porting

2.040"- 1.575" Stainless Valves

.650 Dual Springs

Titanium Retainers

324 cfm int / 244 cfm exh @.600"

Combustion chamber size 64cc

Bore size available 3.905"

$2,900.00

ET Peformance 215cc LS1 11°

Stage III Porting

2.040"- 1.570" Stainless Valves

.650 Dual Springs

Titanium Retainers

320 cfm int / 231 cfm exh @.600"

Combustion chamber size 66c or 72cc

Bore size available 3.905" or 4.000"

$2,900.00

Trick Flow 225cc LS1 13.5°

Stage III Porting

2.055"- 1.575" Stainless Valves

.650 Dual Springs

Titanium Retainers

342 cfm int / 244 cfm exh @.600"

Combustion chamber size 65cc

Bore size available 4.00"

$2,900.00

ET Peformance 225cc LS1 11°

Stage III Porting

2.080"- 1.570" Stainless Valves

.650 Dual Springs

Titanium Retainers

328 cfm int / 231 cfm exh @.600"

Combustion chamber size 66c or 72cc

Bore size available 4.000"

$3,000.00

Air Flow Research 225cc LS1 15°

Stage III Porting

2.080"- 1.600" Stainless Valves

AFR .650 Dual Springs

Titanium Retainers

320 cfm int / 250 cfm exh @.600"

Combustion chamber size 66cc or 72cc

Bore size available 4.030"

$3,000.00

ET Peformance 240cc LS1 11°

Stage III Porting

2.100"- 1.570" Stainless Valves

.650 Dual Springs

Titanium Retainers

338 cfm int / 231 cfm exh @.600"

Combustion chamber size 66c or 72cc

Bore size available 4.000"

$3,150.00

ET Peformance 255cc LS1 11°

Stage IV Porting

2.100"- 1.570" Stainless Valves

.700 Dual Springs

Titanium Retainers

357 cfm int / 239 cfm exh @.650"

Combustion chamber size 66c or 72cc

Bore size available 4.125"

$3,300.00

ET Peformance 262cc LS7 12°

Stage IV Porting

2.200"- 1.600" Stainless Valves

.700 Dual Springs

Titanium Retainers

374 cfm int / 229 cfm exh @.650"

Combustion chamber size 66c or 72cc

Bore size available 4.125"

$3,850.00

ET Peformance 240cc C5R 12°

Stage IV Porting

2.180"- 1.625" Stainless Valves

.700 Dual Springs

Titanium Retainers

376 cfm int / 241 cfm exh @.650"

Combustion chamber size 58cc

Bore size available 4.125" or 4.155"

$3,850.00

GM 250cc LS7 12°

Stage III Porting

2.200" Titanium,  1.600" Stainless Valves

Patriot .650 Dual Springs

Titanium Retainers

360 cfm int / 248 cfm exh @.600"

Combustion chamber size 70 cc

Bore size available 4.125"

GM LS7 Rockers, Pedestals, Rocker Bolts

$3,900.00

GM 255cc C5R 12°

Stage V Porting

2.200"- 1.600" Stainless Valves

.750 Triple Springs

Titanium Retainers

382 cfm int / 262 cfm exh @.700"

Combustion chamber size 45cc

Bore size available 4.125" or 4.155"

$8,400.00

ET Peformance 285cc Canted Valve

Stage V Porting

2.185"- 1.625" Stainless Valves

.850 Triple Springs

Titanium Retainers

419cfm int / 258 cfm exh @.800"

Combustion chamber size 50cc

Bore size available 4.125" or 4.155"

$8,500.00