745139 10PCK Valve Spring Shim 1 437X 645X 030
incl. VAT
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Estimated delivery: 3–15 working days
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Iron City Dealer
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Specifications
- Brand
- Kibblewhite Precision Machining Inc.
- Part Number
- 745139
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- Valve Springs
- VAT Rate
- 20%
About This Product
Kibblewhite Precision Machining valve spring spacing shims set the correct installed height after cylinder head work. Seat cutting and fitting new valves changes the spring height. These shims let you dial the tension back to spec and keep the valvetrain honest at high RPM. They are accurate to a tight tolerance. Measure the spring height with a mic and add or remove shims until every cylinder matches. This prevents float and keeps the setup balanced across the V-twin.
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