One Pair of High Quality Small Block Ford Aluminum Bare Cylinder Heads.

Intake Port Volume: 185cc Combustion Chamber: 64cc Intake Valve Size: 2.02" Exhaust Valve Size: 1.60" Valve Stem Diameter: 11/16" Rocker Studs: 7/16" Max Spring Diameter: 1.55" Exhaust Crossover: No Plug: Straight

Hardened exhaust seats Bronze valve guides Aircraft quality high grade aluminum alloy Multi-angle seat design for improved flow at low lifts Advanced port design for improved flow at all lifts Threaded accessory holes in ends of heads Thick deck to resist warping and allow for additional milling if desired

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Additional shipping cost may apply for outside of the 48 contiguous states and International depends on the weight and size of the product. For shipping to AK, HI, PR and all other international please email us to get quote. thanks.