These compact units measure just 5/8” in diameter and mount in a 7/16” hole

38135-50 locknut

including the T100 and T120 Bonneville (EFI as well as carbureted)

Ignition advance and timing degree markings are on the metal flange

Chrome plated duplicate of original equipment used on 1988-up FX and XL

Ignition Sensor Assembly - 1980-1994 Harley-Davidson XL 1984-1985 FXST 1980-1993 FLT Length_.736" These compact units measure justThis replacement ignition sensor assembly includes the pickup, mounting plate, and wires with connectors. Assemblies include pickup, mounting plate and wires with connectors Replaces Harley Davidson OEM# 3240080A Fits 1980 1994 Harley Davidson XL 1984 1985 FXST and 1980 1993 FLT Note: There are no returns on carburetors, electrical items, full frames, hardtails or made to order items (such as magnetos) unless there is a manufacturers defect.