Tappet Assembly. Fits Sportster 1957-1985. Crankcase & Bottom End 1936-99 Every shock is hand-built

Every shock is hand-built

* Replaces OEM # 31600012

* Odometer

* XL1200V - Sportster Seventy Two (72) 2016

Tappet Assembly. Fits Sportster 1957-1985. Crankcase & Bottom End 1936-99 Every shock is hand-built* Standard solid rollers are designed around three working parts * The outer wheel roller has a 27% greater wall size less harmonic distortion for better tracking of cam lobe * Pin bearings are decreased in size by 12%, which increases rpm for more precise tracking * Axle size is increased 36% and doubles as the inner race, so the pin bearing and complete roller assembly now rotates around the axle instead of an inner race, eliminating all possible