Cam Crankshaft Sprocket Locking Tool for Harley 07-16 Twin Cam 17-Up M8 06 Dyna

This cam crankshaft sprocket locking tool is a specialized service fixture designed to hold the crankshaft sprocket securely during camshaft and timing chain service on for Harley Twin Cam and M8 engines. It locks the sprocket in place to prevent rotation when loosening or torquing the cam sprocket bolt, making timing work predictable and safe. This tool suits 2007-2016 for Harley Twin Cam, 2017-up for Harley M8, and 2006 for Harley Dyna models.

Overview

This cam crankshaft sprocket locking tool is a solid steel fixture that holds the crankshaft sprocket stationary while you break loose or torque the cam sprocket bolt. It is purpose-built for for Harley Twin Cam (2007-2016), for Harley M8 (2017-up), and 2006 for Harley Dyna motorcycles. This cam crankshaft sprocket locking tool replaces the need for makeshift holding methods and keeps the timing chain stable during cam chest work.

Built For Performance

• Machined from hardened steel for repeated use without deformation
• Engages the sprocket teeth directly to prevent any rotational movement
• Compact profile clears the cam chest and engine cases during service
• Works with a standard 3/8-inch drive ratchet or breaker bar for torque applications
• Designed to be used with the crankshaft sprocket bolt size common to for Harley Twin Cam and M8 engines

Fits These Machines

• for Harley 2007-2016 Twin Cam 96, 103, and 110 cubic inch engines
• for Harley 2017-up M8 107, 114, and 117 cubic inch engines
• for Harley 2006 Dyna with Twin Cam 88 cubic inch engine

On-The-Job Use

• Use during camshaft replacement to lock the crankshaft sprocket while removing the cam bolt
• Use when adjusting cam chain tensioners to hold the sprocket in place
• Use during top-end or timing chest service to maintain engine timing integrity
• Use in a shop setting where a dedicated holding tool is required for for Harley engines

Specs At A Glance

Good To Know

Q: Will this tool work on a 2019 Harley M8 Softail? A: Yes, the 2017-up M8 engine shares the same crankshaft sprocket design, so this locking tool fits 2019 M8 Softail models. Confirm your engine is an M8 variant before using.

Q: Do I need any extra adapters to use this with a torque wrench? A: This tool has a standard 3/8-inch drive hole that accepts a ratchet or torque wrench directly, so no adapters are required. Apply the same torque specification you would use for the sprocket bolt.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.