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SBC Aluminum CNC heads

$1,395.00

Product Description

* High composition, high density

* 23° valve angle

* CNC intake, exhaust and combustion chamber

* 217cc intake port

* 306 CFM intake @ .700″

* Quick air speeds

* 2.055″ Stainless intake valves

* 1.60″ Stainless exhaust valves

* PAC dual roller valve springs up to .750″ solid roller cams

* Clad / Viton (r) valve seals

* Moly 10° retainers

* Moly 10° Locks

* Moly 7/16″ studs

* Moly 5/16″ flat guide plates

* Dual intake bolt patterns for stock or vortex intakes

* Steam holes added for those using GM 400 blocks

 

 

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