KPMI, valve spring kit. .415″ lift. Steel top collars
Details
Reduces total valve train mass. Great for OEM rebuilds with stock specifications from stock .348″ lift to a maximum of .415″ valve lift. 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: .415. Installed height: 1.375″. Seat pressure 127 lbs. Open pressure: 270 lbs. @ .415 valve lift. Note: Components are stock style replacement and can be used without modifications.
Fitment
36-47 Knucklehead Code: Specifications
Units | KIT |
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Part Numbers
Manufacturer Part Number | 20-20425 |
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Supplier Part Number | 524459 |
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