![FLOTEK Cylinder Heads LS3-505: LS3-505 Aluminum Cylinder Head w/LS3-Style Rectangle Ports for GM Gen III/IV LS Engines [Complete]](/web/image/product.product/78576/image_1024/%5BFLK-LS3-505%5D%20FLOTEK%20Cylinder%20Heads%20LS3-505:%20LS3-505%20Aluminum%20Cylinder%20Head%20w-LS3-Style%20Rectangle%20Ports%20for%20GM%20Gen%20III-IV%20LS%20Engines%20%5BComplete%5D?unique=95f938a)
![FLOTEK Cylinder Heads LS3-505: LS3-505 Aluminum Cylinder Head w/LS3-Style Rectangle Ports for GM Gen III/IV LS Engines [Complete]](/web/image/product.product/78576/image_128/%5BFLK-LS3-505%5D%20FLOTEK%20Cylinder%20Heads%20LS3-505:%20LS3-505%20Aluminum%20Cylinder%20Head%20w-LS3-Style%20Rectangle%20Ports%20for%20GM%20Gen%20III-IV%20LS%20Engines%20%5BComplete%5D?unique=95f938a)
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