PRC LS3 Aftermarket 6-Bolt 255cc CNC Cylinder Heads (sold in pairs)


  • NEW PRC 13-Degree Valve Angle LS3 Castings
  • Improved Piston-to-Valve Clearance For Extra Compression & Larger Camshafts
  • Smaller Than Stock Intake Port Volume For Improved Port Velocity
  • Stainless Steel 2.170″ Intake, 1.60″ Exhaust Valves
  • Billet Rocker Pedestals
  • TSP .660″ Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, Seats, & Seals
  • Completely Assembled and Milled to Your Specifications
  • 60-68cc Chambers (If you want smaller then 68 CC chambers, please contact us before ordering)
  • CHE Bronze Guides
  • Available Milled Down To 65cc Chambers While Still Keeping Better Than Stock P/V!!

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