- 2020 Tires (updated 4/28/2020)
- New Tire Spec
- Hoosier 970
- Must be purchased directly from
Hoosier Tires East
Only teams that have purchased and used Hoosier 970's in the 375 Pro Sportsman Series
in 2020 are eligible for Hoosier Tires contingency awards.
- Hoosier Tires East must be informed that the tire is
for use on the 375 Pro Sportsman at the time of purchase
- The Hoosier Tires decal must be applied and visible
above the front tires on the front fenders
- Teams must have their 2020 purchase receipt to be
eligible for the contingency
- Any treaded 8 inch tire from competitor's home track
that
durometers 55 or more post race is
allowed.
- No shaving, altering, chemical soaking, or
chemical treating
- No unapproved grooving, or siping
- Tire samples may be sent out for chemical testing
- Use of chemically treated tires will result in loss of
all funds and points, wins, earned to date
- Use of chemically treated tires will make driver and
team owner ineligible for post season funds
- Wheel studs
- Minimum length is 1 1/2" inch.
- Studs must extend even with, or beyond lug nuts.
- Oversized magnetic steel lug nuts are mandatory on all four
wheels.
- Wheel Spacers allowed
- Wheels
- 15 inch x 8.0 max inches
measured at bead
- Steel only
- Minimum weight 20lbs
- Bleeders/ Pressure relief valves not allowed
- Minimum offset 2
inch
- Maximum offset
4.5 inch
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