H&H differentials are built tough. We make sure they are ready to withstand the test of time. We only use the best quality O.E.M. and aftermarket parts in the industry. We want your truck to stay on the road where it belongs...making you money. Don't let your bottom line be affected by inferior truck repair products. Let us show you. Give us a call, we have hundreds of units in stock today ready to get you on the road tomorrow.