HORIZON RULES

2026 HORIZON RULES

STOCK CARS - MUST BE IMCA OR USRA LEGAL. MUST DECLARE WHICH SANCTION AT TECH. ALL CARS MUST BE ON 2BBL CARB RULE (360 MOTOR OPTION GETS 500cfm, ANYTHING 360> IS ON 350cfm. NO TOLERANCE. E85 ALLOWED.) CAN RUN ONLY IMCA STAMPED HOOSIER G60 OR AMERICAN RACER KK-704, NO MATTER WHICH SANCTION, BUT MUST RUN SAME BRAND ON ALL FOUR CORNERS. USRA CARS DO NOT NEED TO CHANGE ANYTHING BESIDES CARB.

B-MODS - IF X-MOD, MUST ADD 100# OF WEIGHT (MINIMUM WEIGHT OF 2500 POUNDS) AND MUST TAKE OFF SPOILER. *UPDATED 08/2026 -  X-MODS LIMITED TO 6400 RPM CHIP ON 360 MOTOR, LS MOTORS TO 6000 RPM. LS MOTORS MUST HAVE ACCESS TO COMPUTER OR AUTOMATIC DQ.*
IF ANY OF THE FOLLOWING; USRA B-MOD, IMCA NORTHERN SPORTMOD, IMCA SOUTHERN SPORTMOD, USRA LIMITED MODIFIED, UMP B-MOD, WISSOTA MIDWEST MOD; MUST RUN LEGAL TO YOUR RULES. EXCEPTIONS: B-MODS & MIDWEST MODS NEED TO BE ON 6600 RPM CHIP FOR STANDARD MOTORS, CONCEPT MOTORS AT 6200. CAN RUN ONLY IMCA STAMPED HOOSIER G60 OR AMERICAN RACER KK-704 IF WISSOTA, UMP, USRA B-MOD, OR IMCA NORTHERN SPORTMOD, BUT MUST RUN SAME BRAND ON ALL FOUR CORNERS. IMCA SOUTHERN SPORTMOD AND USRA LIMITED MODIFIEDS CAN RUN LEGAL TO THEIR TIRE RULES.

HOBBY STOCKS - MUST BE IMCA OR USRA LEGAL, CENTRAL NEW MEXICO LEGAL, OR PURE STOCK LEGAL* (* = DEPENDS ON LOCAL TRACK. IF YOU HAVE QUESTIONS ABOUT LEGALITY, CONTACT BRAISON COLLINS VIA FACEBOOK MESSENGER).  NO SPOILERS ON METRIC CARS, NO 4-CYLINDERS. CROWN VICS ALLOWED WITH HOBBY STOCKS. DOT TIRES ONLY.

4-CYLINDERS - MUST BE IMCA SPORT COMPACT OR USRA TUNER LEGAL. CAN ALSO BE NEW MEXICO "CRUISER" LEGAL (4-CYLINDER RULES ONLY, V8 CARS MUST RUN WITH HOBBY STOCKS). *UPDATED 10/26 - IF RUNNING "CRUISER" RULES, MUST DISCONNECT WIRING HARNESS FROM TIMING SOLENOIDS IF USING VARIABLE TIMING MOTOR*