Made specifically to fit Thrashin Supply Risers see page 1161 of the Drag Specialties. 2020 FatBook). Increase riser length 1/2in. or 1in.. Constructed of 6061 billet aluminum. Available in hard anodized black or triple-nickel chromed finish. Includes all required hardware. Sold in pairs. Made in the U.S.A.. 0602-1107.