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KPMI, valve spring kit. .600" lift. Steel top collars
Estimated supplier restock: 27 November 2026
Supplier estimate, subject to change. Delivery time is additional once stock arrives.
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KPMI, valve spring kit. .600" lift. Steel top collars
Sale price£154.83
The details that matter
Details
Description
Reduces total valve train mass. Great for stock & racing performance builds. The springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue life. Kit includes springs, upper collars, lower collars and valve keys. Max valve lift: .600". Installed height: 1.810". Seat pressure 163 lbs. Open pressure: 361 lbs. @ .600" valve lift.
Specifications
| Unit | KIT |
|---|
Fitment
84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL Sportster (NU)
Part numbers
| Supplier SKU | 524504 |
|---|---|
| Manufacturer part | 20-20132 |
Specifications
| Brand | Kibblewhite |
|---|---|
| Category | Valve springs |
Fitment
Part numbers
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