Description

The Edelbrock #5089 E-Street cylinder heads are designed for use with 1955-1986 SBChevy engines. American made quality and affordable performancethe heads feature as-cast ports and are designed for entry-level street applications.The Edelbrock #5089 E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. For use on pre-pollution controlled vehicles only.

Assembled: Yes

Camshaft Type: Flat Tappet

CNC Ported: No

Combustion Chamber Volume: 64 CCM

Construction Type: Complete

Cylinder Head Gasket Included:No

Deck Height: 9.025 Inch

Deck Thickness: 0.5625″

EGR Port: No

Exhaust Port Location: Standard

Exhaust Runner Volume: 60 CCM

Exhaust Valve Diameter: 1.60″

Family: E-Street

Grade Type: Performance

Guide Material: Manganese Bronze

Guide Plate Material: Hardened Steel

Guide Plate Material:Chromoly Steel

Guide Plates Included: Yes

Head Casting Number:5086P

Horsepower: 300-400 HJ

Intake Runner Volume: 185 CCM

Intake Valve Diameter: 2.02″

Material: Aluminum

Mounting Hardware Included: No

Push Rod Diameter: (Suggested) 0.3125 Inch

Quantity: Set of 2

Retainer Included: Yes

Rocker Arm Stud Diameter: 0.375 Inch

Rocker Arm Studs/Bolts Included:Yes

Rocker Arms Included:No

Rotor Center Bore Inside Diameter: Straight

Seat Angle: Exhaust 45 deg/Intake 45 DD

Seat Material: Ductile Iron

Series: E-Street

Valve Angle: 23 DD

Valve Cover Gasket Included: No

Valve Lock Material:Chromoly Steel

Valve Lock Material:Steel

Valve Locks Included:Yes

Valve Seals Included: Yes

Valve Spring Diameter: 1.46 Inch

Valve Spring Maximum Lift: 0.550 Inch

Valve Spring Retainers Included:Yes

Valve Springs Included: Yes

Valve Stem Diameter: 0.3438 Inch

Valves Included:Yes