Rocker Arm Kit

Ultra Pro Magnum Roller Rocker Arm Set

Ultra Pro Magnum Roller Rocker Arm Set; 3/8 in. Stud; 1.6 Ratio; w/Self Aligning Rockers; 16 pc.;

• Stud Size: 3/8
• Engine Make/Size: Ford 289-351W
• Ratio: 1.6

• 8650 Chromemoly Steel
• 29 Percent Stronger Than Pro Magnum
• Redesigned Steel Stud Mount Rocker
• Reduced Weight And Greater Strength
• Increased High RPM Stability
• Black Oxide Exterior Finish
• Increased Retainer And Valve Spring Clearances
• Lifetime Warranty

Utilizing years of Valvetrain design experience, the latest FEA stress analysis technology, and an exhaustive testing regiment (Dyno and Spintron), the COMP Cams engineering team left no detail to chance. Everything from casting techniques to valve spring clearance was scrutinized to ensure that the new Ultra Pro Magnum rocker arms not only lived up to the lofty standards of their predecessor, but also took stud mount rocker performance, stability, and value to a whole new level.

COMP Cams manufactures truly superior hydraulic and solid flat tappet, hyd and mechanical roller, and overhead camshafts for everything from OE replacement to full race, designed and manufactured using cutting-edge technology and the finest engineering in the industry. Whether your engine is naturally aspirated, or you run nitrous, or a supercharger or turbo, our cams make more horsepower than any other. Looking for that ultimate hard-hitting muscle car idle? Check out our aggressive new Thumpr Cams. Match our camshafts up with our competition-grade lifters, valve springs, timing sets, and other supporting components, and you'll experience the ultimate in race-winning reliability!