V-Twin Mfg. Manual Primary Chain Adjuster For Harley Big Twin 2006-2017

V-Twin Mfg. Manual Primary Chain Adjuster For Harley

This upgrade allows you to manually adjust your primary chain tension creating less drag and loss of power that is common with the stock spring loaded assembly. This kit is idea for bikes with big displacement high horsepower engines, but is also a great solution for a stock engine to reduce bearing wear.

Features:

• Permits manual selection of primary chain tension
• Allows you to fine-tune the settings and lock the position when the freeplay is properly set
• Direct replacement for the Original Equipment automatic version
• Ideal for bikes equipped with big displacement high performance (100hp+) engines
• Locks the chain tension in place to prevent free play during severe shifting
• Anodized billet aluminum construction
• Replaces OEM 39929-06 Stock / 36500020 SE