Exhaust Port Torque Cones for 1966-1984 Harley Shovelhead Motorcycles - Steel - Increases Power and Reduces Reversion on Unbaffled Exhaust Systems;

Torque Cones not only increase power, but they are necessary for unbaffled exhaust systems to reduce reversion. • CNC-machined 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 right. • Simple installation requiring no permanent modification. • Extra exhaust port gaskets are NOT required. • Fits 1966-1984 Harley Shovelheads • Sold in pairs Finish: Machined Steel Dimensions: OD - 1-7/8" OD - 1.31" (Smallest Taper) Top to Bottom - 1-1/4" Fitment: 1966-1984 Harley Shovelheads