3/8" Stud, 1.6 Ratio

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These Magnum Roller Rocker Arms for Ford V8 289-351W (Rail Type) 1968-89 Applications are the ultimate street Rocker. With a 3/8" Stud diameter and 1.6 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other Rocker arms, Magnum Roller Rockers are perfect for performance Applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.

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Application Summary:

Year	Make/Model
1975	Buick Apollo
1975-1976	Buick Skylark
1967-1969	Chevrolet Camaro
1967-1972	DeTomaso Mangusta
1966-1977	Ford Bronco
1980-1995	Ford Bronco
1963-1974	Ford Country Sedan
1963-1974	Ford Country Squire
1987-1991	Ford Country Squire
1964-1972	Ford Custom
1964-1974	Ford Custom 500
1976-1977	Ford Custom 500
1969-1983	Ford E-100 Econoline
1975-1983	Ford E-100 Econoline Club Wagon
1975-1995	Ford E-150 Econoline
1975-1995	Ford E-150 Econoline Club Wagon
1969-1974	Ford E-200 Econoline
1975-1995	Ford E-250 Econoline
1975-1991	Ford E-250 Econoline Club Wagon
1969-1974	Ford E-300 Econoline
1975-1995	Ford E-350 Econoline
1977-1995	Ford E-350 Econoline Club Wagon
1975-1976	Ford Elite
1975-1983	Ford F-100
1975-1995	Ford F-150
1976-1978	Ford F-250
1980-1995	Ford F-250
1975-1978	Ford F-350
1980-1995	Ford F-350
1963-1970	Ford Fairlane
1978-1979	Ford Fairmont
1963-1970	Ford Falcon
1963-1965	Ford Falcon Sedan Delivery
1963	Ford Ford 300
1963-1967	Ford Galaxie
1963-1974	Ford Galaxie 500
1972-1976	Ford Gran Torino
1975-1980	Ford Granada
1966-1969	Ford GT40
1965-1974	Ford LTD
1976-1986	Ford LTD
1987-1991	Ford LTD Crown Victoria
1977-1979	Ford LTD II
1971-1977	Ford Maverick
1964-1973	Ford Mustang
1979	Ford Mustang
1982-1995	Ford Mustang
1975-1978	Ford Mustang II
1963-1974	Ford Ranch Wagon
1963-1979	Ford Ranchero
1963-1964	Ford Sprint
1977-1981	Ford Thunderbird
1983-1988	Ford Thunderbird
1991-1993	Ford Thunderbird
1968-1976	Ford Torino
1964-1965	Griffith 200
1980	Lincoln Continental
1982-1987	Lincoln Continental
1980-1983	Lincoln Mark VI
1984-1992	Lincoln Mark VII
1981-1990	Lincoln Town Car
1977-1980	Lincoln Versailles
1964-1967	Mercury Caliente
1979	Mercury Capri
1982-1986	Mercury Capri
1971	Mercury Colony Park
1987-1991	Mercury Colony Park
1963-1969	Mercury Comet
1971-1977	Mercury Comet
1967	Mercury Commuter
1967-1970	Mercury Cougar
1974-1981	Mercury Cougar
1983-1988	Mercury Cougar
1991-1993	Mercury Cougar