Twin Power 80-E93 Big Twin and XL Starter Relay Replaces H-D 31506-79B

Twin Power™ starter relay replaces H-D 31506-79B, delivering consistent solenoid activation for 1980-E93 Big Twins and XL models

Plug-n-play replacement solves intermittent starting and relay failure on Shovelhead through early Evolution

High current contacts handle Big Twin starter draw without arcing or dropout

Universal fit covers 1980-1993 Big Twins and all XL Sportsters in that range

Twin Power 80-E93 Big Twin and XL Starter Relay Replaces H-D 31506-79B

Starter Relay