LOSTAR Cam Chain Tensioner Unloader Tool for Harley Big Twin 1999–2006

Effortless Harley camshaft maintenance with LOSTAR

The LOSTAR cam chain tensioner unloader tool is designed for riders and mechanics who value smoother, more controlled camshaft work on Harley Big Twin engines from 1999 through 2006. By relieving tension from the primary and secondary chain tensioners, this tool helps make installation and removal of camshafts feel more manageable, reducing awkward grabs and resistance during the process. The result is a more confident, precise handling experience on your bike’s timing chain system.

Smart design and durable build

Engineered with high quality materials, the tool feels solid in hand and is built to withstand regular garage or shop use. Its solid, waterproof construction resists rust and corrosion, contributing to a longer service life even in challenging environments. The kit includes two hold retention pins to secure parts in place as you work, delivering a turnkey setup for camshaft tasks.

• Relieves tension from both primary and secondary chain tensioners to ease camshaft work.
• Rugged, waterproof construction resists rust for long-term reliability.
• Includes 2 hold retention pins and 1 cam chain tension tool for a complete kit.
• Backed by a 1 year unlimited-mileage quality guarantee for added peace of mind.

Who it’s for and how to use it

This tool is suited for Harley enthusiasts and professional technicians tackling camshaft work on 1999–2006 Big Twin models (note: it does not fit the 2006 Dyna). In practice, you’ll enjoy a steadier workflow, with better control when loosening fasteners and guiding the camshaft into place. Use the retention pins to hold components steady and the tension tool to safely relieve load before removal or installation.

• Ideal for home mechanics and shop settings working on Harley Big Twin cams.
• Portable, all-in-one kit that travels well for on-road maintenance tasks.

Compatibility and warranty

Compatible with 1999–2006 Harley Big Twin Cam models, excluding the 2006 Dyna. The kit comes with a 1-year unlimited-mileage quality guarantee, offering confidence for ongoing maintenance and repair work.