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 RevZilla Browse all RevZilla deals $69.99 In Stock at RevZilla Price verified 2d ago Buy Now at RevZilla Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand JIMS Size OS Condition New MPN 1005 JIMS