Description
Valve spring performance directly impacts your engine’s ability to maintain lift consistency across the entire RPM range. The KIBBLEWHITE Dual Shim Spring Kit delivers the reliability and durability required for sustained high-performance operation, whether you’re running a street machine or competition build. This complete U.S.A.-manufactured set ensures all eight valve springs work in harmony, eliminating the inconsistency that comes from mixing old and new components.
Technical Specifications:
- Interference-wound design
- Double-chrome silicium construction
- Heat-treated steel washers
- Complete engine set
- U.S.A. manufactured
- MPN: 20-23400






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