Any spool wheel with a hub 3-3/4" wide or narrower will work

O-ring sealed idle mixture screw

instructions are included with each throttle

then bolt your carb on and go

washers and nuts used on 1925-1984 Sidecars

6 Speed Transmission - Black Finish - 1990-1999 Harley-Davidson Softail Subcategory_Breather Kits & Components Any spool wheel with aThese 6 speed transmissions utilize stock style mounting plates when used to replace a stock 1990 99 Softail 5 speed transmission, or a Gasbox 1936 1999 Big Twin Rigid Frame for 5 Speeds. Transmission Mounting Plates for 1986 1999 Harley Softail are available in Black SKU 016450 as well as Chrome SKU 016395. See Additional Information for fitment. Covered by a 12 month warranty (from date of purchase) against defects and workmanship by Mid USA