Exhaust Port Torque Cones, Steel, For 1966-1984 Harley-Davidson Shovelhead Big Twin
Original price was: $22.95.$18.36Current price is: $18.36.Torque Cones not only increase power, but they are necessary for unbaffled exhaust systems to reduce reversion. Features: CNC-machined from steel with precise angles for maximum effect. Improve power by increasing the exhaust gas velocity. Help to reduce exhaust reversion. Great for use with un-baffled exhaust systems that require some type of back pressure to run…
