SBC Complete Aluminum Cylinder Heads Straight Plug 205cc Max .650 Lift 3/8 Studs

Description: ARC SBC20064SC-3/8 Small Block Chevy Aluminum Cylinder Heads 205cc Intake Port, 64cc Chamber, 2.02/1.6 Valve, Straight PlugThese come with flat guide plates and 3/8" shouldered screw in studs!!!! (1 PAIR/ 2 HEADS) New pair of KMJ Performance Racing Heads. These heads are complete and ready to bolt on. Hardened exhaust seats for unleaded fuel compatibility Bronze valve guides Manufactured with 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 Advanced combustion chamber design allows superb flame travel and burn Additional push rod clearance machined along outside port walls Can use either early or late (Vortec) intakes Can use either perimeter bolt pattern or center bolt valve covers Threaded accessory holes in ends of heads Retains stock 23 degree angle and intake/exhaust bolt locations Thick deck to resist warping and allow for additional milling if desired Does not require offset rocker arms These heads will work for all small blocks including 400s (no steam holes). Heads are drilled for both the earlier style intake bolt pattern (pre '87) that had all bolts going in at an angle and the newer Vortec style that has 4 on each side going straight down in. Will not work with stock intake manifolds, must use an aftermarket raised runner intake. Intake Port Volume 205cc Combustion Chamber 64cc Intake Valve Size 2.02" Exhaust Valve Size 1.60" Valve Stem Dia. 11/32" Intake Port Size 2.10" T x 1.18" W Exhaust Port Size 1.4" T x 1.4" W Max Spring Dia. 1.625" Exhaust Crossover No Plug Straight Weight (per head) 20 lbs. All assembled heads are assembled right here in IOWA in our machine shop and checked by our machinists before leaving! If you have a problem you can call us. Assembly features: 1.46" diameter dual valve springs, good to .600" lift (flat tappet cams) Stainless steel 1 piece swirl polished valves 10 degree chromoly steel retainers Hardened steel valve locks Flat Guide Plates 3/8" Shouldered Screw-In Studs Springs install @ 1.800 w/135lbs seat pressure Open pressure 335lbs @ 1.25" Coil Bind 1.125" KMJ PERFORMANCE - TECH AND RETURNS - Please use the eBay messaging system for any returns or technical assistance MONDAY-FRIDAY: 8:00AM-5:00PM SATURDAYS: 8:00AM-4:30PM (CST)Click on store image to view our current listings of High Performance Products! Payment: Please make payment within 7 days of purchase. Paypal and Visa/MC/Discover credit card payments are accepted. Please use the eBay message system if you have any questions or need assistance. PAYPAL PAYMENTS - The majority of Paypal payments can be processed within 2-3 hours after received during our normal weekday business times. 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Price: 899.95 USD

Location: Story City, Iowa

End Time: 2024-09-29T18:52:26.000Z

Shipping Cost: 0 USD