Precision Race Components LS7 CNC ported cylinder heads.  Fully CNC ported LS7-based cylinder heads! (All New GM LS7 Cylinder Head Castings) THIS IS THE EXCHANGE FOR CUSTOMERS WITH LS7 CYLINDER HEADS!

• Uses Stock GM LS7 Titanium Intake Valves!!
• Available With PRC Double Spring Kit Complete With PRC Double Springs, Titanium Retainers, Seats, & Seals
• Completely Assembled & Setup To Your Specs!!
• Custom Decking Available For Extra Compression!

Extensive CNC & dyno testing has resulted in one of the most affordable & powerful LS7 based cylinder heads available! Flowing up to 30cfm more than the stock GM LS7 head, the all new PRC cylinder head offers both unmatched power & airflow. 

Flow Data:  @ 4.125" Bore Plate  Superflow 600

	LS7 Intake	LS7 Exhaust	PRC LS7 Intake	PRC LS7 Exhaust
	cfm	cfm	cfm	cfm
.200	161	114	168	119
.300	227	171	244	179
.400	291	193	306	211
.500	330	203	347	224
.600	351	209	378	235
.700	359	214	393	246