4J High rate valve springs

Name: 4J High rate valve springs
Brand: 4J Performance Parts

Brand: 4J Performance Parts

180.00 AUD Out of stock Buy at Merchant

Set 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.

Data sourced from 4jperformanceparts.com. Last updated: 2025-10-17 14:30 UTC