2 ALUMINUM BARE CYLINDER HEAD FOR CHEVY SBC 350 200cc 64cc STRAIGHT SPARK PLUG WITH (1) HIGH RISE PERFORMANCE MANIFOLD. High grade aluminum, bronze valve guides, hardened seats, advance port design for greater air flow. Perfect fits for SBC engines such as 302, 327, 350, 383 and 400 small block chevy engines up to 1986.
This head is 200cc intake runner with a 64cc combustion chamber, 64cc combustion chambers improve performance and retains stock compression on 1970 and earlier. This head has a thick deck design so they can be used on nitrous, turbocharged and supercharged applications. Dual pattern valve covers will accept either center bolt or perimeter bolt valve covers. Fits many popular cars such as Camaro Z28, Chevelle, Monte Carlo, Hot Rods, Street Rods and many more!
This cylinder head does not have 400 stem holes, you may need to drill them if necessary. Valve to piston clearance and valve to block clearance must be checked! Combustion Chamber Volume (cc): 64 cc. Intake Runner Volume (cc): 200 cc.
Intake Valve Diameter (in): 2.020 in. Exhaust Valve Diameter (in): 1.600 in. Valve Stem Seals Included: No. Rocker Arm Studs Included: No. Rocker Arm Nuts Included: No.Valve Cover Mounting Style: Center & Perimeter Bolt. Accessory Bolt Holes Drilled: Yes. Intake Valve Angle: 23 deg. Exhaust Valve Angle: 23 deg. Valve Seat Machine Style: 3-angle.
Valve Seat Material: Ductile Iron. Cylinder Head Weight: 23 LBS. Nitrous bosses, rear water outlets, two distributor clamp locations. Temperature sending unit boss clears all water necks. No provision for exhaust-heated chokes.
The open air space from the Air-Gap design separates the runners from the heat of the lifter-valley cover. So, the air/fuel mixture stays cooler all the way to the heads, which produces a denser charge for more power. Runners are tuned to move the power band 1,000 rpm higher than Performer Air-Gap manifolds, from idle-5,500 rpm up to 1,500-6,500 rpm.The item "ALUMINUM BARE CYLINDER HEADS CHEVY SBC 350 200cc 64cc WITH HIGH RISE MANIFOLD" is in sale since Friday, November 9, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "bro-speed" and is located in Corona, California. This item can be shipped worldwide.