UMI Performance 1965-1987 GM Polyurethane Rear End Housing Replacement Bushings - Black R090003XL These mufflers utilize the same

These mufflers utilize the same patented Delta Flow technology that is found in Flowmaster Other Super series mufflers to deliver maximum performance

(NOT compatible with Hydraulic Roller Camshafts) Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat

Dual-feed fuel line kits include the correct fittings and hoses to properly ALL26156 plumb single carburetor applications when connecting to AN style fitting

Single Seat Car Harnesses

UMI Performance 1965-1987 GM Polyurethane Rear End Housing Replacement Bushings - Black R090003XL These mufflers utilize the sameUMI's high durometer polyurethane bushings replace the factory rubber rear end housing bushings. After many years of weather and abuse the factory rubber bushings tend to dry rot, crack and harden which can lead to decreased ride quality and performance. The UMI polyurethane bushings replace the two upper control arm rear end differential bushings the bushings that stay attached to the rear end "ears". New rear end housing bushings are an excellent