fits  05-17 (NU) Twin Cam; 04-21 XL Sportster; 08-12 (NU) XR1200; 03-10 (NU) Buell XB

With steel top & lower collars. Reduces total valve train mass. Great for stock & moderate performance builds. The one-piece Beehive style springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue life. Kit includes steel upper collars, lower collars, valve keys and seals. Works with stock 7mm valve stems. Max valve lift: .660″. Installed height: 1.860″. Seat pressure 178 lbs. Open pressure: 371 lbs. @ .660″ valve lift. Note: See 524994 for replacement valve seals.

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > Kpmi, beehive valve spring kit .630 lift

fits  05-17 (NU) Twin Cam; 04-21 XL Sportster; 08-12 (NU) XR1200; 03-10 (NU) Buell XB

Steel upper valve spring collars. Installed spring pressure 165 lbs. Kibblewhite Precision Engineering racing valve spring kit for standard 7mm diameter valve stems. Chrome multiple-parts silicone spring set, steel top collars and steel lower collars. Includes valve seals. Note: Does not include a valve key set, OEM must be re-used. Note: See 524994 for replacement valve seals.

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > KPMI, valve spring kit. .630″ lift. Steel top collars

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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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > KPMI, valve spring kit. .600″ lift. Steel top collars