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Reduces the overall mass of the valve train.
Ideal for OEM rebuilds to stock specifications.
Springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue resistance.
Kit includes springs, upper collars, lower collars, and valve keys.
Maximum valve lift: .415”.
Installed Height: 1.375".
Seat pressure: 129 lbs.
Open Pressure: 272 lbs. at 0.415" valve lift.
Note: With 0.565" diameter valve guides.
Compatible with: > 66-E79 Shovelhead (NU)
Kpmi, Valve Spring Set. 415" Lift. Steel Upper Collars for Harley Davidson
171.83 €
Sale price
171.83 €
Regular price
Ideal for OEM rebuilds to stock specifications.
Springs are manufactured from the highest quality clean chrome silicone wire, shot peened and heat treated for maximum fatigue resistance.
Kit includes springs, upper collars, lower collars, and valve keys.
Maximum valve lift: .415”.
Installed Height: 1.375".
Seat pressure: 129 lbs.
Open Pressure: 272 lbs. at 0.415" valve lift.
Note: With 0.565" diameter valve guides.
Compatible with: > 66-E79 Shovelhead (NU)