DMI Hollow Torsion Bars-30" includes Retainers

These bars from DMI are threaded on each end to accept the new DMI T-Rex torsion stop retainers (DMISRC-1500). Many tracks are starting to make torsion bar retainers mandatory so get your self the simplest set up on the market. Hollow torsion bars are true to within . 001" and are the most consistent, with a smoother transition from effective length to bearing shoulder. Bars are CNC-machined from 4340 steel and then heat treated. All are 30" long and available in a variety of rates.