BAndrews 4-Speed Transmission 2.24 1st - 1.65 2nd Gear Set for Harley Davidson 1 ReviewbP PP Andrews 4-Speed Transmission 2.24 1st - 1.65 2nd Gear Set for Harley Davidson 1 PManufacturer Part No: 201020Pif you want peak RPM thru the quarter mile, this gear set will provide the super close ratio shifting to handle itPWill work on street or drags with any size motorP4-speed transmissions have been built since 1936 in several versions.