Edelbrock Cylinder Head Victor Jr SBC 23 Deg 220cc Complete for Hydraulic Roller Cam

Edelbrock part #61255 Victor Jr. 23deg 220 cylinder head is designed for small-block Chevy Its 64cc combustion chamber yields around 10:1 compression ratio in a typical flat-top application and about 12.5:1 when used with some of the most common 12cc dome pistons. One of the key features of the Victor Jr. 23deg 220 cylinder head is the CNC machined chambers and bowls, which result in consistency and improved performance. They also feature angled spark plug holes and maintain the stock 23deg valve angle as well as the intake flange bolt pattern for use with 1986 and earlier intake manifolds. All of this allows this cylinder head to deliver 530-580 hp potential right-out-of-the-box, making them ideal for a budget minded engine build desiring a high quality cylinder head that still uses a stud and guide plate rocker system. Cylinder Head Specifications:- Exhaust port location: Raised .300"- Spark plug fitment: 14mm x .750 reach, gasket seat

Additional Information

The Edelbrock #61255 Victor Jr. 220cc cylinder head is designed for 1955-86 SB Chevy applications. The #61249 Victor Jr. is perfect larger cubic inch small blocks and vehicles where maximum power is needed.

Application Summary

Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

Part Type

Engine Cylinder Head

Product Overview

Edelbrock part #61255 Victor Jr. 23deg 220 cylinder head is designed for small-block Chevy Its 64cc combustion chamber yields around 10:1 compression ratio in a typical flat-top application and about 12.5:1 when used with some of the most common 12cc dome pistons. One of the key features of the Victor Jr. 23deg 220 cylinder head is the CNC machined chambers and bowls, which result in consistency and improved performance. They also feature angled spark plug holes and maintain the stock 23deg valve angle as well as the intake flange bolt pattern for use with 1986 and earlier intake manifolds. All of this allows this cylinder head to deliver 530-580 hp potential right-out-of-the-box, making them ideal for a budget minded engine build desiring a high quality cylinder head that still uses a stud and guide plate rocker system. Cylinder Head Specifications: - Exhaust port location: Raised .300" - Spark plug fitment: 14mm x .750 reach, gasket seat

• Maximum Valve Lift 0.630 in.

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Product Details

Product Downloads

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1.	Installation Instructions

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Reference Information

Cylinder Head, Victor Jr, 23 Degree 220cc, SBC, 64cc, Hydraulic Roller Cam or Flat Tappet, Complete, Each

Ideal for those who desire affordable heads that make maximum power, these Victor Jr. heads from Edelbrock are just what the doctor ordered. Specifically designed for the needs of competition and ultra-high performance street engines, they offer increased horsepower and rpm potential in an out-of-the-box, cost-effective, race-winning setup. Features include hardened ductile iron valve seats and phosphor-bronze guides. They accept standard hardware and most are available in bare and assembled versions.