Edelbrock BB Chevy Performer RPM 454-R Cylinder Head w/ Valves 29065R 0L GT & Cobra Fuel

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842" bore Chevrolet Big Blocks are the strongest and most durable bronze bushed solid roller lifter available

Edelbrock BB Chevy Performer RPM 454-R Cylinder Head w/ Valves 29065R 0L GT & Cobra FuelCylinder Head Specifications: Combustion chamber volume: 110cc 118cc; Intake runner volume: 290cc; Exhaust runner volume: 110cc; Intake valve diameter: 2. 25"; Exhaust valve diameter: 1. 89"; Valve stem; diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 9 16"; Valve spring diameter: Hydraulic Roller (#61555); Valve spring maximum lift: N A; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod diameter: 3 8"; Valve angle: 26 ;