Constructed of 1 1/4" DOM steel tubing, mandrel bent and TIG MIG welded30° rake, 0° stretchDesigned for 4-, 5- and 6-speed transmissions; transmission plate sold separatelyAccept Evolution, Shovelhead and Panhead motors with clearance for cylinders up to .200" taller than stock EvolutionPART #0501-0071 is designed for 130 tire using a chain final drivePART #0501-0072 is engineered for 180 tire with 1 1/2" belt or 200 tire with chainUse stock 86-99 Softail oil tank and rear brake caliper (sold separately)3/4" rear axle and accessory kit included with 180/200 frame; 130 frame will require a custom 3/4" x 11 7/8" rear axleMade in the U.S.A.