Description

Edelbrock #770469 Pro Port Cylinder Head for Gen III-IV S/B Chevrolet LS Engines is designed to take advantage of the improvements in this LSX racing block. It is also compatible with all previous versions of the engine. BareHIP TreatedThe Edelbrock 770469 Small Block Chevy LSR Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder headThe Pro-Port cylinder head is also cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting. In most casesseats and manganese-bronze valve guides are includedbut not installed. Please note: This head can not be used without professional head preparation. Pro-Port RAW Features Include: – Unported versions of Edelbrock race-winning Victor Series CNC head for the professional cylinder head porter and engine builder – The Pro-Port cylinder head is cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting – The only head designed specifically to accommodate almost any CNC port shapesize or location – Offers enough wall thickness for CNC machining to various port dimensions – In most cases seats and manganese-bronze valve guides are included – Some of the Edelbrock Pro-Port Raw Head Feature Our Special Hot Isostatic Pressing or HIP Process.

Assembled:No

CNC Ported: No

Combustion Chamber Volume: Possible 25 CCM

Combustion Chamber Volume:25 CCM

Construction Type: Pro-Port Raw

Cylinder Head Gasket Included:No

Deck Height: 9.24 Inch

Deck Thickness: 0.8000″

EGR Port: No

Exhaust Port Entry: 1.55 in x 1.30″

Exhaust Valve Diameter: (Suggested) 1.68″

Exhaust Valve Pierce Points (X Y)(C): -1.178 in-0.238 Inch

Family: Victor

Grade Type: Performance

Guide Material: Manganese Bronze

Guide Plates Included: No

Head Casting Number:31-7704

Intake Port Entry: 1.32 in x 1.97″

Intake Valve Diameter: (Suggested) 2.25″

Intake Valve Pierce Points (X Y)(C): 0.652 in0.448 Inch

Material: Aluminum

Mounting Hardware Included: No

Quantity: Sold Individually

Retainer Included: No

Rocker Arm Studs/Bolts Included:No

Rocker Arms Included:No

Series: Pro-Port

Specialty: Hot Isostatic Pressing (HIP) Processing

Valve Angle: Exhaust 7.0 x 2.0 deg/Intake 8.7 x 3.2 DD

Valve Cover Gasket Included: No

Valve Guides Included: Yes

Valve Locks Included:No

Valve Seals Included: No

Valve Seats Included: No

Valve Spring Retainers Included:No

Valve Springs Included: No

Valves Included:No