Spring preload tool to help adjust spring collar/seat if spring is under tension and can't be adjusted by hand.

Made to fit Harley Davidson & Indian Motorcycle rear coil overs collars or shocks manufactured by other brands that have a spring seat adjustment hole diameter of 0.1875 inches or 4.75mm

Does not fit coil over collars JRi shocks designed for cars.

Ensure the spring seat grub screw is loosened before using tool or damage to the body threads could occur.