Pro Series Muffler - 4.00 Center In / 4.00 Center Out - Moderate Sound 1983-chevrolet-k20-esi6015223 Differential Carrier - Detroit TrueTrac

Differential Carrier - Detroit TrueTrac - 35 Spline - 4

75 in Long x 28

Freeze Plug Driver - 1-1/2 in to 1-3/4 in Diameter - Plastic - Kit

25 in Deep - Passenger Side Dipstick - Steel - Zinc Plated - 2-Piece Seal - Small Block Chevy - Kit

Pro Series Muffler - 4.00 Center In / 4.00 Center Out - Moderate Sound 1983-chevrolet-k20-esi6015223 Differential Carrier - Detroit TrueTracThe Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.