KPMI, valve spring kit. .415" lift. Steel top collars - 48-65 Panhead (NU) 939501 Black electroplated handlebar of 3mm

Black electroplated handlebar of 3mm thick seamless 4130 chromoly steel

Foamet ((Foam Coated Metal) with a silicone bead

Structured to hold shape

360° oiling

KPMI, valve spring kit. .415" lift. Steel top collars - 48-65 Panhead (NU) 939501 Black electroplated handlebar of 3mmGreat for OEM rebuilds with stock specifications. This is a stock replacement valve spring kit and okay up to . 415" valve lift and have a moderate 129 lbs seat pressure. 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 129 lbs. Open