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PRC LS7x 265cc CNC Small Bore Heads
Description:
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
- 2.200"/1.610" Valves
- TSP .660" Dual Spring Kit w/ PAC Springs, Retainers, Seats, & Seals
Springs, Titanium Retainers, Seats, & Seals - CHE Bronze Guides
- Completely Assembled & Setup To Your Specs
- Available With Stainless Steel, Hollow-Stem, or Titanium Intake Valves
The PRC LS7 cylinder heads is available with standard stainless valves, hollow-stem intake, and titanium intake valves. If you are going to run the stainless steel intake valves, we recommend limiting total valve lift to no more than .616" due to the weight of the intake valve. Upgrading to the hollow-stem intake valve will shed significant intake valve weight and allow for additional lift. The titanium intake valves will be the lightest choice of the three choices and offer the best lift possible!
Flow Data: @ 4.125" Bore Plate Superflow 600
LS7 |
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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