Transmission Gear Kit. Fits 4Spd Big Twin 1977-1986 - Andrews Products Hand Controls & Components 1996-up * Our 500 series differential

* Our 500 series differential bore 4 piston caliper continues to be unmatched for performance and value

75-inch headpipes

* Spring-loaded ball plunges down on the seat securing any leak in the Off Position

* FXD’08-11 with Spoke Wheel = HHI-WGCK-C408

Transmission Gear Kit. Fits 4Spd Big Twin 1977-1986 - Andrews Products Hand Controls & Components 1996-up * Our 500 series differentialGear Kit * Includes all 6 gears, 2 shift clutches and 2 forks. * Shafts and small parts kits must be ordered separately. * Andrews 4 speed gears, transmissions last longer, shift faster, and just plain run better. Tech Tips: * 1st Ratio = 2. 44 3rd Ratio = 1. 35.