Description

Edelbrock part #77189 Victor Jr. 20 Degree is a complete cylinder head designed for S/B Ford 289-351W engines. This head has the potential of 500+ Horsepower out-of-the-box using a stock valve train geometry.The Edelbrock 77189 Victor Jr. Small Block Ford cylinder head offers high horsepower potential on competition level engines and are compatible with OE valve train and pistons for bolt-on convenience. VICTOR JR. 20deg – 210cc FEATURES: 500+ horsepower potential out-of-the-box using stock valve train geometry High-flowing 210cc intake ports and .130″ raised 75cc exhaust ports Available with 60cc or 70cc combustion chambers 70cc combustion chambers are ideal for turbocharged and supercharged applications CNC gasket-matched port entries/exits with blended valve bowls Spark plug holes and valves are in the stock location Valve cover rail raised .150″ A relief in the head allows most roller lifters to be changed without removing the head

Assembled: Yes

Camshaft Type: Hydraulic Roller

CNC Ported: No

Combustion Chamber Volume: 60 CCM

Construction Type: Complete

Cylinder Head Gasket Included:No

Deck Height: 8.2 Inch

Deck Thickness: 0.625″

EGR Port: No

Exhaust Port Location: +.125

Exhaust Runner Volume: 75 CCM

Exhaust Valve Diameter: 1.60″

Family: Victor Jr.

Grade Type: Performance

Guide Material: Manganese Bronze

Guide Plate Material: Hardened Steel

Guide Plate Material:Chromoly Steel

Guide Plates Included: Yes

Head Casting Number:31-7716

Horsepower: 350-550 HJ

Intake Runner Volume: 210 CCM

Intake Valve Diameter: 2.05″

Material: Aluminum

Mounting Hardware Included: No

Push Rod Diameter: (Suggested) 0.3125 Inch

Quantity: Sold Individually

Retainer Included: Yes

Rocker Arm Stud Diameter: 0.4375 Inch

Rocker Arm Studs/Bolts Included:Yes

Rocker Arms Included:No

Seat Angle: Exhaust 45 deg/Intake 45 DD

Seat Material: Ductile Iron

Series: Victor Jr.

Valve Angle: 20 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: 1.55 Inch

Valve Spring Maximum Lift: 0.650 Inch

Valve Spring Retainers Included:Yes

Valve Springs Included: Yes

Valve Stem Diameter: 0.3438 Inch

Valves Included:Yes