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Made of a high-quality 4340 steel alloy and heat treated to our exacting specifications, MPD torsion bars have won more Sprint Car championships than all other brands combined. Torsion bars feature 1-1/8" diameter x 48-spline ends and may be ordered in diameters from 0.925" to 1.065", in a 30" length, tubular, steel with a natural machined metal finish.
Manufactured in the USA with all-American materials.