SKU: MPD81103
MPN: MPD81103
The Lower Arm Bolt for Dirt Sprint Cages from MPD RACING is a critical fastening component engineered for off-road sprint car chassis construction and maintenance. This bolt serves as a structural attachment point within the lower control arm assembly of a dirt sprint cage, directly affecting suspension geometry and overall frame rigidity. Whether you're building a new sprint car from the ground up or maintaining an existing competitive platform, this fastener ensures secure, reliable connection of the lower suspension arm to the cage structure, preventing component separation during aggressive acceleration, braking, and cornering loads typical of dirt oval racing.
Manufactured by MPD RACING, a trusted name in sprint car engineering, this lower arm bolt is precision-engineered to meet the demands of high-stress dirt racing environments. The compact design—measuring 4.05 inches in length with a 0.95-inch diameter—allows precise fitment within confined chassis spaces while maintaining adequate clamping surface. At 0.25 pounds, the fastener balances strength with weight consciousness, critical in competitive racing where every pound impacts acceleration and fuel economy. The bolt's material composition and head design provide optimal torque retention and vibration resistance, preventing loosening caused by repetitive track impacts, engine vibration, and lateral g-forces that commonly exceed 1.5G in sprint car cornering.
Dirt sprint car builders, fabricators, and weekend racers rely on this OEM-quality fastener for cage assembly, suspension geometry maintenance, and routine frame repairs. Installation requires proper torque specification and thread-locking compound to maintain structural integrity throughout a racing season; replacement is recommended after major impacts or cage modifications. This bolt is essential for any racer rebuilding a sprint cage or replacing worn fasteners—a seemingly small component that directly influences chassis stability and driver safety during high-speed dirt oval competition.
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