At DMG Motorsports, we present the HARDDRIVE Crank Pin/Roller — a precision replacement crankshaft component engineered to restore the heart of your engine's bottom end. Built specifically for 1981-99 Big Twin applications, this crank pin is an essential part for any engine rebuild, connecting rod service, or bottom-end overhaul. HARDDRIVE is a trusted name in the powersports aftermarket, and this crank pin/roller is manufactured to deliver reliable, long-lasting performance while restoring proper connecting rod fit and rotating assembly integrity. Whether you're refreshing a tired motor or building up a fresh bottom end, this component gives you the confidence of a correctly sized, direct-replacement fit for your Big Twin platform.

Features:

• Direct-fit crank pin/roller designed for 1981-99 Big Twin engines
• Essential replacement component for connecting rod and crankshaft rebuild service
• Manufactured by HARDDRIVE, a recognized brand in Harley-Davidson replacement engine components
• Part number 820-58020 (MPN 39898) for easy cross-reference and ordering
• Helps restore proper rotating assembly fit and bottom-end performance
• Sold individually to fit standard 1981-99 Big Twin crankshaft assemblies

Fitment