Edelbrock BB Chevy Performer RPM 454-R Cylinder Head w/ Valves Quick Release Fitttings 1/8" NPT male thread

1/8" NPT male thread

Help keep fine dirt and debris out of your helmet and suit without interfering with Head & Neck Restraints

BMR's Polyurethane Differential Bushings offer huge increases in performance over the stock rubber bushings

Bolts Included

no leak seal over the life of the filter

Edelbrock BB Chevy Performer RPM 454-R Cylinder Head w/ Valves Quick Release Fitttings 1/8" NPT male threadCylinder 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 ;