Hoosier R3S03 Tire priced from $207.00. 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.All Hoosier Sports Car DOT radials have passed DOT requirements but have a special tread compound to facilitate racing. Due to this special compound, these tires are not suitable for highway use as the expected miles of wear of these tires is greatly reduced. The R3S03 and A3S03 tires feature an asymmetric tread design (which looks directional, but isn't) and can be used on either side of the car. They are molded with a tread depth of just 4/32" so they will not require shaving for competition, however they will benefit from heat cycling before competition to enhance ...
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