The Dana 44 Bombshell can now be used on STOCK Jeep Wrangler JK and TJ, front or rear axles, with no requirement for aftermarket track bars or suspension modifications! Now you can install the Bombshell Dana 44 Diff Cover on to your bone stock Jeep, straight off the showroom floor! This re-design also includes moving the gear oil fill hole to the stock fluid level height so theres no more research, guesswork or measuring—simply fill the diff to the level of the fill hole.