Edelbrock BBC Performer RPM 454-O Cylinder Head Assembled 2010214 The Simpson Chopper

The Simpson Chopper

3-1/4 in Lug Mount Calipers

Not compatible with 5" in-dash tachometers

5/8 in Diameter

Mod Bandit Helmet Optional Shield - Iridium

Edelbrock BBC Performer RPM 454-O Cylinder Head Assembled 2010214 The Simpson ChopperCylinder 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;