R7

The Hoosier R7 is a DOT-legal competition radial specifically designed for autocross, time trial, and track day events where maximum dry grip is the primary objective. With a UTQG rating of 40 C A, the R7 represents the aggressive end of street-legal performance tires, delivering race-compound grip levels while maintaining DOT compliance for trailer-free transport to the track.

The R7's racing slick-based tread design is molded at a depth of just 4/32", eliminating the need for tire shaving before competition. This minimal tread depth maximizes rubber-to-road contact while maintaining sufficient drainage for DOT compliance. The internal structure features a symmetric construction with two lightweight steel belts reinforced by a spirally wrapped circumferential nylon cap ply over two nylon plies, optimizing both strength and flexibility for consistent performance.

Hoosier offers the R7 alongside its A7 sibling, with each compound optimized for different ambient temperature ranges. The R7 compound excels when temperatures exceed 100°F, while the A7 is formulated for 70-100°F conditions. This temperature-specific formulation allows drivers to select the ideal rubber for their typical operating environment. Sizes range from 13 to 20 inches with widths from 205mm to 335mm, covering most performance applications.

Industry reviews consistently rank the R7 as an industry benchmark for dry handling, with dry braking and steering response considered among the best in the segment. Lap times are typically unchallenged within the DOT-R category, though this performance comes at the expense of tread life. For optimal performance, Hoosier recommends approximately 3 degrees of negative camber, with starting pressures of 26-28 PSI cold, targeting 30-32 PSI hot.

Important: Despite DOT labeling, Hoosier Racing Tires including the R7 are NOT intended for highway use and should only be used on closed courses.