Edelbrock 5089 Cylinder Head

.Cylinder Head Specifications: Combustion chamber volume: 70cc / 64cc; Intake runner volume: 185cc; Exhaust runner volume: 60cc; Intake valve diameter: 2. 02"; Exhaust valve diameter: 1. 60"; Valve stem diameter: 11/32"; Valve guides: Manganese bronze; Deck thickness: 9/16"; Valve spring diameter: 1. 460"; Valve spring maximum lift: . 550"; Rocker stud: 3/8" with guide plate; Guide plate: Hard ended steel; Pushrod diameter: 5/16"; Valve angle: 23°; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat * Use with Hydraulic Flat Tappet Camshafts . 550" max lift. (NOT Compatible with Hydraulic Roller Camshafts) Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Requires hardened pushrods. Not legal for sale or use on pollution controlled motor vehicles.
.Complete Pair For Hydraulic Flat Tappet
.64cc Combustion Chamber Volume
.2. 02cc Intake/60cc Exhaust Runner Volume
.2. 02 in. Intake/1. 6 in. Exhaust Valve Diameter
.0. 562 in. Deck Thickness