The ATI 7.074in aluminum crankshaft damper for Honda F20/F22 race applications is a rear-aluminum-pulley design with a 6-groove pulley and a 10% underdrive ratio. Built for racing use, this 7.074-inch damper shifts accessory speed via underdrive and is intended where competitive rear-pulley arrangements and race-specific pulley ratios are required for those Honda engines.
ATI Damper - 7.074in - Alum - Honda F20/F22 - Race - 6 Grv Rear Aluminum Pulley - 10 Percent UD