RHS Pro Action 23 Degree Small Block Chevy 200cc Bare Aluminum Cylinder Head with 64cc Chamber Straight Spark Plug (55-86 Corvette C1, C2, C3 & C4)Find parts that fit my vehicle

These heads deliver significant gains in both power and torque for all Small Block Chevrolet applications right out of the box. Pro Action SBC Aluminum Cylinder Heads are the perfect choice for a variety of performance engines, including street rod, muscle car, oval track and drag racing applications. Standard features include a multi-angle Serdi valve job and the choice of a straight or angle plug configuration. Valve springs up to 1.550" and all standard rocker arms and valve train components are accepted.

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