Description

standard length

These are also reusable unlike the factory torque to yield bolts

Timing case adaptor flange

*Gear Adaptor

4J High rate valve springs 4JJ1 standard lengthSet of 8 high rate valve springs to suit 4J pushrod engines. 40% higher spring rate over factory springs. For high rpm and high boost applications. Note: To be used in conjunction with upgraded chromoly pushrods, not recommended on stock pushrods.

Exchange/Return Notes