Twin Power 65-85 Big Twin With Chain 4 Speed Starter Shaft Gear Replaces H-D 31485-65

Twin Power™ starter shaft gear replaces H-D 31485-65, restoring positive chain-drive engagement for reliable cranking on 1965-1985 4-speed Big Twin Harleys

Twin Power 65-85 Big Twin With Chain 4 Speed Starter Shaft Gear Replaces H-D 31485-65

Essential for starter rebuilds, eliminating stripped gear failures during hot starts

High-strength steel gear withstands heavy kickback and high-compression loads

Direct OEM replacement fits chain-driven starters on Shovelhead transmissions

Starter Shaft Gear