Competition Use Only, Not Legal for Road Use
Precision Race Components LS7 CNC 265cc ported cylinder heads.
MADE IN THE USA!!
CAST IN THE USA!!
MACHINED IN THE USA!!
- PRC 6-Bolt LS7 Cylinder Heads with Thicker Deck Surface
- Will Work on Both Standard GM 4-Bolt & Aftermarket LSx / RHS 6-Bolt Style Engine Blocks
- 2.205" Titanium Intake Valves/1.610" Stainless Exhaust Valves
- TSP .660 Spring Kit w/ PAC Valve Springs & Titanium Retainers
- CHE Bronze Guides
- Completely Assembled in the USA
Extensive CNC and dyno testing has resulted in one of the most affordable and powerful LS7-based cylinder heads available! Flowing up to 35 CFM more than the stock GM LS7 head, the all-new PRC cylinder heads offer both unmatched power and airflow!
Flow Data: @ 4.125" Bore Plate Superflow 600
| |
LS7
Intake
|
LS7 Exhaust |
PRC 265cc
LS7 Intake |
PRC LS7 Exhaust |
| .200 |
161 |
114 |
169 |
119 |
| .300 |
227 |
171 |
248 |
179 |
| .400 |
291 |
193 |
308 |
211 |
| .500 |
330 |
203 |
351 |
224 |
| .600 |
351 |
209 |
383 |
235 |
| .650 |
353 |
204 |
388 |
241 |
| .700 |
353 |
209 |
393 |
246 |
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**Valve spring lift ratings are based on using titanium intake valves.
