Edelbrock BBC Performer RPM 454-O Cylinder Head Assembled Draco Racing The umbrella seal is normally

The umbrella seal is normally used when a larger-than-stock diameter spring is used

690 in OD Steps

Dana 60 / Mopar 8-3/4 in

GM specific applications* The Aeromotive 340 Stealth Fuel Pump is a high-output

ANO-TUFF FUEL PRESSURE GAUGE ADAPTER -4 MALE TO -4 FEMALE W/(1/8")

Edelbrock BBC Performer RPM 454-O Cylinder Head Assembled Draco Racing The umbrella seal is normallyCylinder 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;