IMCA Releases 2027 Rules with Minor Changes
By Ben Deatherage VINTON, Iowa (Nov. 2, 2026) — IMCA has released its 2027 rules package, featuring minor updates and clarifications across several divisions, along with changes to helmet requirements and head and neck restraint regulations for minor drivers. In the Sunoco IMCA Stock Car and Sunoco IMCA Hobby Stock divisions, frame ground clearance must measure a minimum of 6.5 inches and a maximum of nine inches beneath the oval frame holes, identified as letters D and K in the 1978-88 Monte Carlo frame drawing. Floating or removable bars are not permitted in either division. Stock Cars will no longer be permitted to use Camaro nosepieces on anything other than the Camaro MD3 body, while Hobby Stocks will not be allowed to use lightweight pressure plate. For Karl Kustoms IMCA Modifieds, Speedway Motors fabricated lower A-frames, part numbers 91035297-L and 91035297-R, have been added to the rules. The interior deck must also be level from left to right within a one-inch tolerance. The Karl Kustoms IMCA Northern SportMod division will have the same interior deck requirement, [Read More]
