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

With steel top & lower collars. Reduces total valve train mass. 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 and valve keys. Works with stock 5/16″ valve stems. Max valve lift: .660″. Installed height: 1.860″. Seat pressure 178 lbs. Open pressure: 371 lbs. @ .660″ valve lift. With special 9° angled valve keys. Note: Does not include valve guide seals.

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > KPMI, Beehive valve spring kit. Steel. .660″ lift

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

With steel top & lower collars. Reduces total valve train mass. 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 and valve keys. Works with stock 7/16″ valve stems. Max valve lift: .610″. Installed height: 1.860″. Seat pressure 175 lbs. Open pressure: 400 lbs. @ .610″ valve lift. Note: Does not include valve guide seals.

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > KPMI, Beehive valve spring kit. Steel. .610″ lift

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

Red anodized 6061-T6 aluminum. For 0.420″ valve stem size. made to outlast the plastic ones by far. Color coded and laser etched with valve stem size for clear identification. Designed to fit OEM style valve seals.

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Home > Parts > Engine > Top End > Valves > Guides > KPMI, valve stem seal installation tool. Red