1.50”; 4150 4-Hole; 1.75” Tapered Bore; Aluminum
1.00”; 390 4-Hole; 1.437” Tapered Bore; Aluminum
3/4" bore
7/8" bore
1" bore
3/4" bore
7/8" bore
1" bore
42 spline
3 hole mount
1" bore
Standard bushing center
Old style - big bushing
Reverse mount 5.1:1
Reverse mount - short clutch pedal
Reverse mount 6.25:1
Swing mount
1/2-20 X 1/2-20IF
1/2-20 X 9/16-18 IF