Kibblewhite KPMI, valve spring kit. .600″ lift. Steel top collars

Description

KibblewhiteKPMI, valve spring kit. .600″ lift. Steel top collars  524504

fits  84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL Sportster (NU)

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.

 

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