Hinson Clutches are championship proven by almost every major factory team and rider in the world, including Eli Tomac, Ken Roczen, Cooper Webb, Tim Gajser, Jeffrey Herlings, Jeremy Seewer, Chase Sexton, and Joey Savatgy. Hard coated for extreme boot wear resistance. Improves heat dissipation. Stronger than stock. Precision machined from billet T-6 aircraft-quality aluminum to aerospace tolerances. Made in the U.S.A.