TC Bros. Choppers Air Spring Big Twin Engines / Clutch & Gaskets (Light) but most aftermarket exhausts fit

but most aftermarket exhausts fit without modification

Includes premium liquid filled gauge

You may experience a mid-range sag

Your hardware's been under the bike catching grime for a pretty long run

but highly adaptable to custom motorcycles including metrics

TC Bros. Choppers Air Spring Big Twin Engines / Clutch & Gaskets (Light) but most aftermarket exhausts fitTC Bros. Choppers Air Spring TC Bros. Choppers Universal Compact Rubber Air Spring. This air spring offers far superior vibration dampening as compared to traditional seat springs or shocks with virtually unlimited adjustability. The air spring features a 1 8" NPT air port for unlimited plumbing possibilities. Most people use a threaded bicycle style schrader fill valve that allows the rider to easily inflate the air spring from 1psi 100psi depending