![FLOTEK Cylinder Heads LS3-500: LS3-500 Aluminum Cylinder Head w/LS3-Style Rectangle Ports for GM Gen III/IV LS Engines [Bare]](/web/image/product.product/78217/image_1024/%5BFLK-LS3-500%5D%20FLOTEK%20Cylinder%20Heads%20LS3-500:%20LS3-500%20Aluminum%20Cylinder%20Head%20w-LS3-Style%20Rectangle%20Ports%20for%20GM%20Gen%20III-IV%20LS%20Engines%20%5BBare%5D?unique=cab3ab8)
![FLOTEK Cylinder Heads LS3-500: LS3-500 Aluminum Cylinder Head w/LS3-Style Rectangle Ports for GM Gen III/IV LS Engines [Bare]](/web/image/product.product/78217/image_128/%5BFLK-LS3-500%5D%20FLOTEK%20Cylinder%20Heads%20LS3-500:%20LS3-500%20Aluminum%20Cylinder%20Head%20w-LS3-Style%20Rectangle%20Ports%20for%20GM%20Gen%20III-IV%20LS%20Engines%20%5BBare%5D?unique=cab3ab8)
FLOTEK Cylinder Heads LS3-500: LS3-500 Aluminum Cylinder Head w/LS3-Style Rectangle Ports for GM Gen III/IV LS Engines [Bare]
Bare
Aluminum Cylinder Head GM Gen III/IV LS Engines LS3-Style 276 cc Rectangle Ports Combustion Chamber: 68 cc For 2.160 in. Intake Valves For 1.59 in. Exhaust Valves Require 4 in. or Larger Bore Bare Sold Individually