***Mufflers Required for All Divisions***

Unaltered Muffler that maintains 100db @ 100′

Late Models

TIRES– D55, WRS, WRS-2, WISSOTA D55, OREGON HTW D55

WEIGHT– 2300 pounds Anytime

SPOILER– 8in

BODY/SUSPENSION– WoO/Lucas Oil

*No Data Acquisition

Modifieds

You must be 100% legal within the 2017 USRA Modified Rules with IMCA-stamped Hoosier G60’s an optional tire on all four corners. Click here for Rules

X Mods

Limited X Mod racers – you must be 100% legal within the current Southern New Mexico Speedway Limited X Mod rules.  Click here for Rules
(Exception: LS 5.3l engine is not allowed)

USRA B-Mod racers – you must be 100% legal within the 2017 USRA B-Mod rules.  Concept engine with 4bbl Carburetor must run a rev limiter with a 6200 rpm chip.  Click here for Rules

WISSOTA Midwest Modified racers – you must be 100% legal within the current WISSOTA Midwest Modified rules posted at www.wissota.org along with the following requirements: 1) You must run a rev limiter with a 7000 rpm chip 2) You must run the American Racer kk704 tire on all four corners 3) You must run a solid pull bar 4) Concept engine with 4bbl Carburetor must run a rev limiter with a 6200 rpm chip

IMCA Southern SportMod racers – you must be 100% legal within the 2017 Southern SportMod rules posted at www.imca.com with the following exception: 1) You may run the Hoosier G60-15 tire on both rear corners if you choose. Hoosier 500 Series tires must be run on both front corners

IMCA Northern SportMod racers – you must be 100% legal within the 2017 Northern SportMod rules posted at https://www.imca.com/rules/northernsportmod