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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Fits left or right side
This enables the builder to virtually place it anywhere on the bike
For 3-7/16" & 3-1/2" standard bore
This is an improved version of the OEM 16607-57B tappet guide
guaranteed to never loosen
KPMI, valve spring kit. .655" lift. Steel top collars - 84-99 Evo B.T.; 99-04 Twin Cam; 86-03 XL (NU) 971491 Fits left or right sideHigh lift high pressure spring kit. Reduces total valve train mass. Great for high performance & racing performance builds. The dual springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue life. Kit includes dual springs with internal damper to give a wider range of harmonic reduction, upper collars, lower collars, valve keys and seals. Max valve lift: . 655. Installed height: 1.
US$ 471.49
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US$ 69.00
