KIBBLEWHITE Beehive Shim Spring Kit 20-23950

Valve spring preload directly impacts your M8's RPM capability, fuel efficiency, and overall engine stability—and factory springs often leave performance on the table. The KIBBLEWHITE Beehive Shim Spring Kit gives you precise control over spring tension, allowing you to optimize for your specific riding style and performance goals. Whether you're building a high-revving race engine or fine-tuning a street machine, this kit delivers the adjustability serious M8 builders depend on.

This is a bolt-on upgrade that requires basic mechanical knowledge and standard tools. KIBBLEWHITE's reputation for precision manufacturing means each shim is CNC-machined to exact tolerances, ensuring consistent performance across the entire kit.

• Fits: M8 engines
• MPN: 20-23950
• Type: Beehive shim springs
• Material: High-grade steel
• Installation: Bolt-on
• Adjustability: Multiple preload options
• Weight: Lightweight construction
• Durability: Race-tested reliability
• Application: Street and track use