Edelbrock BB Chevy Performer RPM 454 O/P Cylinder Head Assembled Suspension Spring Kit Includes 3/8" NPT adapter for

Includes 3/8" NPT adapter for mechanical AutoMeter temperature gauges

5" 14 Bolt

Multiple Layer

Bolts / Lock Nuts / Washers Included

Edelbrock BB Chevy Performer RPM 454 O/P Cylinder Head Assembled Suspension Spring Kit Includes 3/8" NPT adapter forCylinder Head Specifications: Combustion chamber volume: 100cc; Intake runner volume: 290cc; Exhaust runner volume: 110cc; Intake valve diameter: 2. 19"; Exhaust valve diameter: 1. 88"; Valve stem diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 9 16"; Valve spring diameter: 1. 55"; Valve spring maximum lift: . 700"; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod diameter: 3 8"; Valve angle: 26 ; Exhaust port location: Stock;