Hot Cams Cam Chain Honda Trx300 Sportrax / Fourtrax Hot Cams specializes in dirt bike, ATV and UTV high-performance camshafts. Hot Cams cam chain tensioner designed to replace OEM parts. Solidly built to deliver ruggedness for exceptional performance on the trail. Features: Silent chain type Exclusive heat treatment of links creates excellent friction and impact resistance Engineered to exceed OEM specifications and tolerances