Description

Timing case adaptor flange

*Gear Adaptor

Flange O-ring and hardware

*Pump Adaptor

4J High rate valve springs 4JJ1 Timing case adaptor flangeSet 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