Product Description Used when installing bushing into main drive gear (4th) in Big Twin 4-speed transmissions Tool will prevent bushing from "mushrooming" under installation pressure JIMS Main Drive Gear Bushing Tool at J&P Cycles Browse all J&P Cycles deals $69.99 In Stock at J&P Cycles Price checked 9 days ago Buy Now at J&P Cycles Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand JIMS Size OS Condition New MPN 1005 JIMS