George's Garage Primary Transmission Locking Tool for Harley-Davidson

Used between the primary chain and front engine sprocket to prevent primary movement when loosening and retightening sprocket and clutch nuts.
Made of POM (a polyoxymethylene polymer), an extremely strong and durable material.

Fits: > 36-06 BT 4 & 5 speed; 57-20XL; 87-10 Buell