Muncie Truck sm465 Series, 4 speed Transmission Gasket set, Rear oil seal and Front input seal. Here at Garage Motorsports we stock one of the largest selections of manual 3 speed, 4 speed Muncie, T-10 & AMC T-10 transmissions and new and used parts on the West Coast. Please see my other auction items and give us a call at 360-735-0753 or email. If there are any other parts you may need or if we can help you in any way with your manual 3,4, 5 & 6 speed needs.