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  • $2,650.00

    PRC LS3 Aftermarket 6-Bolt 260cc CNC Cylinder Heads

    All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology! Click Here to SEE why we build better heads! MADE IN THE USA!! CAST IN THE USA!! MACHINED IN THE USA!! PRC’s aftermarket casting LS3/L92/L99 cylinder heads come standard with the following options: NEW PRC 13-Degree Valve Angle LS3 Castings Improved […]

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  • $1,699.00$1,999.00

    GMPP LS3 CNC’D CYLINDER HEADS 88958758 WITH BTR SPRING KIT

    Chevrolet Performance LS3 CNC’d Cylinder Heads 88958758 with BTR Spring Kit CNC-ported Version of the LS3 Cylinder Head Flows About 10-Percent More Than The Production Head – More Than 350 cfm (intake side) at .600″ Lift 276cc Intake Runners and 92cc Exhaust Ports 68.5cc Chambers Fits All LS Engines with 4.000″ Bore or Larger 2.165″ […]