SBC Small Block Chevy Cylinder Heads 200cc 2 Loaded heads In - 74cc Ex - 64cc Ch

Suitable For  a set of 2 loaded heads  SHIPPING TO UK COSTS EXTRA $155 283   327 350 383 400 406   Technical Data Intake: 200 cc Exhaust: 74cc Chambers: 64cc Stud Base Thread Drilled: 7/16" Plug: Straight Valve Guides: Bronze Manganese Suitable Valve Details Intake Valves: 2.02" Exhaust Valves: 1.60" Valve Stem Diameter: 11/32"  Complete Heads: Valves: Stainless Steel Height: Standard + .100 Spring including dampener Spring Diameter: 1.450" Max lift: .600" Seat Pressure: 130lbs @ 1.800" Open Pressure: 335lbs @ .600" Lift Coil Bind: 1.060" Installed Height: 1.800" guides & studs NOT Included  Brand please note free shipping usa mainland only excluding alaska puerto rico hawaii  all the islands all pay extra QCH Disclaimer : Quantico Cylinder Heads Inc. is in no way affiliated with any OEM manufacturer. All OEM part numbers and logos are used for identification purposes only. Please inspect the parts that you ordered before installation.