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Conventional wisdom says roller rockers increase horsepower by reducing valvetrain friction—with the biggest benefits showing up at high RPM. But Engine Masters’ David Freiburger and Steve Dulcich are always willing to question conventional wisdom and will leave no horsepower sacred cow There’s TONS of opinions about different brands of aluminum roller rockers. There’s just so much crap out there that I don’t know what to believe. I Custom manufacturer of Billet Parts, Connecting Rods, Roller Tip Rockers. Specializing in Tractor Performance Engines, Performance Engine Machine Shop Pauter has provided automotive industry innovation and inventions for over a half century, manufacturing the highest quality rods, rockers, and crankshafts. Steel Rockers. COMP Cams® steel rocker arms are all constructed from 8620 or 8650 chromemoly steel, which is a higher grade material that makes them extremely durable and tough. Ensure smooth valvetrain operation, stable timing, and increased power with top-brand rocker arms. Choose stud-, shaft-, and pedestal-mount rockers! .
Buy ARP 134-7104 High Performance Rocker Arm Stud Kit (w/ roller rockers) All Models All Models: Rocker Arms & Parts – Amazon.com FREE DELIVERY possible on eligible purchases Roller rockers are not glorious parts. They look trick, but they live a pretty dismal life, working feverishly, always trying to keep things stable. Buy Proform 66908C Extruded Aluminum Roller-Rocker Arm: Rocker Arms – Amazon.com FREE DELIVERY possible on eligible purchases Harland Sharp. When larger, modified camshafts were first introduced in the 1950s, Harland Sharp responded with the industry’s first roller rocker arm to maximize engine performance. .