FLOTEK Cylinder Heads LS3-505: LS3-505 Aluminum Cylinder Head w/LS3-Style Rectangle Ports for GM Gen III/IV LS Engines [Complete]
Complete
Aluminum Cylinder Head GM Gen III/IV LS LS3-Style 276 cc Rectangle Intake Ports Combustion Chamber: 68 cc Intake Valve: 2.160 in. Exhaust Valve: 1.590 in. 4 in. or Larger Bore Springs for Hydraulic Roller Cam Sold Individually