PRC LS7x 265cc 7.0L CNC Heads

Precision Race Components LS7 CNC 265cc ported cylinder heads. Fully CNC ported LS7-based cylinder heads! (All New GM LS7 Cylinder Head Castings) ***OUTRIGHT PER PAIR! NEW GM LS7 Cores, Based off PRC's CNC Ported LS7 Heads, 2.200"/1.610" Valves, PRC Double Spring Kit Complete With PRC Double, Springs, Titanium Retainers, Seats, & Seals, Completely Assembled & Setup To Your Specs!! Available With Stainless, Hollow Stems, or titanium valves! Extensive CNC & dyno testing has resulted in one of the most affordable & powerful LS7 based cylinder heads available! Flowing up to 35cfm more than the stock GM LS7 head, the all new PRC cylinder head offers both unmatched power & airflow.