LS1 PRC STAGE 2.5 5.3L CNC PORTED HEADS - OUTRIGHT ^Sale

PRC Stage 2.5 5.3L Cylinder Heads come standard with:

    2.02"/1.575" Stainless Steel Valves
    Full CNC Porting and Machining
    CNC Milling to Your Specifications Available
    58-63cc configurations

Valve Spring Options:
    No Springs
    PAC 1218 Beehive Springs w/ GM Retainers, Seats & Seals
    PAC .660" Lift Dual Spring w/ PRC Titanium retainers, Seats & Seals - Recommended


* The price listed is for the pair using seasoned castings. This is an outright purchase with no exchange of castings necessary.

All PRC cylinder heads are extensively researched and tested. The flow data below shows the superior performance of the PRC stage 2.5 5.3 cylinder heads!

3.910" Flow Plate - No Exhaust Pipe