15X8 IMCA B/Lock Wheel D-Hole Silver 5x5

The 15X8 IMCA B/Lock Wheel D-Hole Silver 5x5 is a purpose-built racing wheel engineered for dirt track and circle track competition where rule compliance and lightweight construction are non-negotiable. Bassett wheels are the choice of serious racers who demand wheels that maintain structural integrity under the extreme lateral g-forces, constant steering input, and abrasive track conditions inherent to IMCA-sanctioned racing. This wheel design exists specifically to meet IMCA B-Class specifications while delivering the performance margins that separate podium finishers from mid-pack runners.

The 15-inch diameter with 8-inch width provides the ideal tire footprint for dirt track vehicles, balancing rotational inertia with cornering responsiveness. The B/Lock design features full-width bead seat contact and a reinforced retention system that prevents tire roll-off under lateral loading—critical when pulling 1.5+ g's through corners on unpredictable surfaces. The d-hole spoke pattern reduces unsprung weight to 24.35 lbs per wheel while maintaining radial strength, and the silver finish provides excellent brake cooling visibility. The 5x5 bolt pattern secures compatibility with common dirt track chassis and front-end geometry packages.

IMCA racers—whether in street stocks, hobby stocks, modifieds, or sport modifieds—choose Bassett 15X8 wheels because they meet sanctioning body regulations while eliminating weight that would otherwise be carried by suspension and engine. Installation requires standard lug nuts compatible with 5x5 bolt circles; pairing these wheels with bias-ply or radial dirt tires matched to your vehicle's ride height and spring rates optimizes lateral load transfer and corner exit speed. Verify your specific IMCA class wheel diameter and width restrictions before purchase, as some divisions impose dimensional limits.