KPMI, valve spring kit. Lift .415". Steel upper retainers

Reduces total valve train mass. Ideal for OEM-spec factory rebuilds, from .348" valve lift up to a maximum of .415". The springs are made from the highest quality chrome silicon wire, shot-peened and heat treated to maximise fatigue resistance. The kit includes springs, upper retainers, lower retainers and valve keepers. Maximum valve lift: .415". Installed height: 1.375". Seat pressure: 127 lbs. Open pressure: 270 lbs. @ .415" valve lift.
Note: The components are original style and can be used without modifications.


Specifications


Brand
Kibblewhite


Application
36-47 Knucklehead (NU)


Sales unit
Kit


Material
Steel


Packaging weight
0.635 kg


HS Code
84099100


Motorcycle family
BIG TWIN


Original name
KPMI, valve spring kit. .415" lift. Steel top collars