KOSO Valve Spring Seat Shim Kit
This kit includes three thickness variations of Valve Spring Seat Shims for Yamaha motorcycles, allowing precise adjustment of valve spring height and pressure.
- The description claims increasing spring pressure helps prevent valve float at high RPMs.
- The description claims the shims are manufactured from high-grade hardened steel.
Variants (1)
- Default Title — 15.00 USD — In stock
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