Description & Size Guide
Reduces total valve train mass. Great for OEM rebuilds with stock specifications from stock .348" lift to a maximum of .415" valve lift. 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: .415". Installed height: 1.375". Seat pressure 127 lbs. Open pressure: 270 lbs. @ .415" valve lift. Note: Components are stock style replacement and can be used without modifications.
36-47 Knucklehead (NU)
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