S&S CYCLE El Dorado Dual Exhaust System - Chrome - Chrome Tracer 550-0851A Tires 3-5/8" Big Bore Cylinder and

3-5/8" Big Bore Cylinder and Piston Kit

Complete kit includes cylinders

not for use in primary

Cylinder and piston kit can be used to build an 88" engine

S&S CYCLE El Dorado Dual Exhaust System - Chrome - Chrome Tracer 550-0851A Tires 3-5/8" Big Bore Cylinder andEl Dorado Dual Exhaust System Chrome Chrome Tracer Improved power and torque, Oxygen sensor location same as stock, Includes adapters for use of wide band or stock oxygen sensors, Use two high flow cats to increase exhaust flow while providing just the right amount of back pressure for optimum torque, Relocation of cats to 4 1 2" mufflers reduces heat on rider, Produces a deep bass rumble exhaust note throughout the RPM range, 4 1 2" billet end caps,