These heavy-duty universal traction bars are fabricated from 11 gauge rectangular steel tubing and are recommended for the more serious minded competitor. Designed to be used on any leaf spring car and many light duty trucks, these full-length traction bars feature longer Mig welded mounting brackets and heavy-duty 1/4'' steel spring clamps. Complete with 7/16'' grade 5 hardware and heavy-duty rubber snubbers. Black powder coated finish.