TSP PRC 312cc CNC Ported LT1 Style 6-Bolt Cylinder Heads PAIR w/ TSP .660" Spring Kit and Titanium Retainers
Precision Race Components (PRC) LT1 CNC 312cc ported cylinder heads. All new 6-bolt Precision Race Components LT cylinder heads!
Extensive CNC and dyno testing has resulted in one of the most powerful LT-based cylinder heads available!
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
Features:
- 2.165" Stainless Hollow stem Intake Valve / 1.600" Stainless Exhaust Valve
- 3/4" Deck Thickness
- Will accept up to 1/2" Cylinder Head Hardware
- TSP .660 Spring Kit w/ PAC Valve Springs & Titanium Retainers
- 6-Bolt Cylinder Heads with Thicker Deck Surface
- CHE Bronze Guides
- Will Work on Both Standard GM 4-Bolt & Aftermarket LT 6-Bolt Style Engine Blocks
- Completely Assembled in the USA
Cylinder Head Specs:
Intake CC: 312cc
Intake Valve: 2.165"
Exhaust Valve:1.600"
Chamber Size: 58cc
| 312cc CNC Ported LT1 Heads Flow Data |
| Lift |
Intake Flow
|
Exhaust Flow
|
| .200" |
151 cfm
|
117 cfm
|
| .300" |
223 cfm
|
154 cfm
|
| .400" |
265 cfm
|
200 cfm |
| .500" |
310 cfm |
216 cfm |
| .600" |
349 cfm |
229 cfm |
| .650" |
365 cfm |
232 cfm |
| .750" |
370 cfm |
235 cfm |
