Speedway Motors Fabricated Chevelle Lower Control Arm Approved for IMCA Modifieds
VINTON, Iowa (Sept. 4, 2026) — IMCA Modified drivers will have a new lower control arm option beginning Oct. 1, 2026, with the addition of the Speedway Motors fabricated Chevelle lower control arm to the list of approved components. Designed and manufactured by Speedway Motors in Lincoln, Nebraska, the new fabricated lower control arm was developed to meet the same travel specifications as the stock Chevelle lower control arm currently used in the IMCA Modified division. The stock lower control arm will remain legal for IMCA Modified competition. The new Speedway Motors component provides racers with an additional option for those looking for an alternative to a stock-appearing Chevelle lower A-arm. The Speedway Motors fabricated lower control arm maintains the 1968-72 Chevelle/GM A-Body control arm profile to retain factory geometry. Construction includes a 10-gauge steel spring pocket with 1.250-inch by .125-inch wall DOM steel tubing. The control arm accepts K727 screw-in ball joints, the 1960-66 Chrysler-style application, which are sold separately. It also accepts 1.40-inch OD front and 1.65-inch OD rear round-style bushings using factory [Read More]
