VT#: 10-3113

S&S Evolution engine case set with studs, bearing race, and transmission door. S&S Evolution engine case set for 1986-1990 XL models requires 1991-up five speed transmission, clutch, alternator, primary cover, and flywheel assembly. Engine cases are supplied with the necessary hardware for crankcase assembly. Cylinder studs, main bearing race, cam bearings and transmission bearings are all installed and case includes a heavy duty transmission access door. Engine case has stock bore.

XL Sportster® 1986-1990 Evolution