Competition Cams 1634-16 Ultra Pro Magnum Roller Rocker Arm Set

These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, these self-aligning rockers fit Ford V8's with a 3/8" diameter stud.

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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.

• 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

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Application Summary:

Year	Make/Model
1978-1979	Ford Bronco
1969-1974	Ford Country Sedan
1969-1974	Ford Country Squire
1969-1972	Ford Custom
1969-1977	Ford Custom 500
1975-1976	Ford Elite
1977-1979	Ford F-100
1975-1979	Ford F-150
1975-1994	Ford F-250
1975-1994	Ford F-350
1970	Ford Fairlane
1969-1974	Ford Galaxie 500
1972-1976	Ford Gran Torino
1969-1978	Ford LTD
1977-1978	Ford LTD II
1969-1971	Ford Mustang
1969-1974	Ford Ranch Wagon
1970-1978	Ford Ranchero
1968-1978	Ford Thunderbird
1970-1976	Ford Torino
1968-1979	Lincoln Continental
1968-1971	Lincoln Mark III
1972-1976	Lincoln Mark IV
1977-1979	Lincoln Mark V
1969-1974	Mercury Colony Park
1970-1978	Mercury Cougar
1970-1971	Mercury Cyclone
1975-1978	Mercury Grand Marquis
1969-1970	Mercury Marauder
1969-1978	Mercury Marquis
1970-1976	Mercury Montego
1969-1973	Mercury Monterey

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