Hoosier Tires began manufacturing new race tires at its own facilities in 1979. Hoosier "Tires designed for champions". Radial & Autocrosser/Street TD road racing tires.

The Hoosier R3S03 and A3S03 radials are Hoosier's latest generation of DOT legal competition tires.

The R3S03 (Racing) tire features a tread compound suitable for track and road racing applications, while the A3S03 (Autocross) tire features a tread compound tuned for autocross competition.
The Hoosier R3S03 and A3S03 are the lightest of the DOT legal competition tires.

Hoosier Tires - Autocrosser/Street TD

If your sanctioning body requires a D.O.T approved tire and you prefer the view from the front of the pack, Hoosier has a tire for you.

Their bias-ply tire has been dominating for years. Predictability, grip, and very low weight add up to be a winning combination. Available in either the Autocrosser for Solo II, or the Street TD for Road Racing.

Hoosier Tires - Radial A3S04/R3S04

Hoosier's R3S04 and A3S04 radials are DOT-legal Competition tires developed for drivers to use during dry track conditions.

While Hoosier Sports Car DOT radials meet DOT requirements, they are not suitable for highway use as the expected miles of wear from their racing tread compounds is greatly reduced.