The next design evolution of the Hi-Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application. These XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And they work with most diameter springs and retainers. The new XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for drag and circle track applications.
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1826 rocker features a 1.6 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.
For Big Block Chevrolet applications, 1.6 ratio, 7/16" stud; Machined billet pushrod seat insert; 8650 steel construction outlasts and outperforms other rockers in accuracy and strength; Ultra Pro Magnum XD Rocker Arm bodies are guaranteed against breakage for life;
Fits, Fitments
1963 Chevrolet Bel Air Base
1963 Chevrolet Biscayne Base
1963 Chevrolet Impala Base
1965 Chevrolet Bel Air Base
1965 Chevrolet Biscayne Base
1965 Chevrolet Chevelle Base
1965 Chevrolet Chevelle SS
1965 Chevrolet Corvette Base
1965 Chevrolet Impala Base
1965 Chevrolet Impala SS
1966 Chevrolet Bel Air Base
1966 Chevrolet Biscayne Base
1966 Chevrolet Caprice Base
1966 Chevrolet Chevelle Base
1966 Chevrolet Chevelle SS
1966 Chevrolet Corvette Base
1966 Chevrolet Impala Base
1966 Chevrolet Impala SS
1966 Chevrolet Malibu Base
1967 Chevrolet Bel Air Base
1967 Chevrolet Biscayne Base
1967 Chevrolet Camaro Base
1967 Chevrolet Camaro RS
1967 Chevrolet Camaro SS
1967 Chevrolet Caprice Base
1967 Chevrolet Chevelle Base
1967 Chevrolet Chevelle Concours
1967 Chevrolet Chevelle Deluxe
1967 Chevrolet Chevelle SS
1967 Chevrolet Corvette Base
1967 Chevrolet Impala Base
1967 Chevrolet Impala SS
1967 Chevrolet Malibu Base
1968 Chevrolet Bel Air Base
1968 Chevrolet Biscayne Base
1968 Chevrolet Camaro Base
1968 Chevrolet Camaro SS
1968 Chevrolet Caprice Base
1968 Chevrolet Chevelle 300
1968 Chevrolet Chevelle 300 Deluxe
1968 Chevrolet Chevelle Concours
1968 Chevrolet Chevelle Malibu
1968 Chevrolet Chevelle Nomad
1968 Chevrolet Chevelle SS
1968 Chevrolet Chevy II Nova
1968 Chevrolet Corvette Base
1968 Chevrolet Impala Base
1969 Chevrolet Bel Air Base
1969 Chevrolet Biscayne Base
1969 Chevrolet Camaro Base
1969 Chevrolet Camaro RS
1969 Chevrolet Camaro SS
1969 Chevrolet Caprice Base
1969 Chevrolet Chevelle 300 Deluxe
1969 Chevrolet Chevelle Concours
1969 Chevrolet Chevelle Concours Estate
1969 Chevrolet Chevelle Greenbrier
1969 Chevrolet Chevelle Malibu
1969 Chevrolet Chevelle Nomad
1969 Chevrolet Chevelle SS
1969 Chevrolet Corvette Base
1969 Chevrolet Impala Base
1969 Chevrolet Nova Base
1970 Chevrolet Bel Air Base
1970 Chevrolet Biscayne Base
1970 Chevrolet Camaro Base
1970 Chevrolet Camaro SS
1970 Chevrolet Caprice Base
1970 Chevrolet Chevelle Base
1970 Chevrolet Chevelle Concours
1970 Chevrolet Chevelle Concours Estate
1970 Chevrolet Chevelle Greenbrier
1970 Chevrolet Chevelle Malibu
1970 Chevrolet Chevelle Nomad
1970 Chevrolet Chevelle SS
1970 Chevrolet Corvette Base
1970 Chevrolet Impala Base
1970 Chevrolet Kingswood Base
1970 Chevrolet Kingswood Estate
1970 Chevrolet Monte Carlo Base
1970 Chevrolet Nova Base
1970 Chevrolet Townsman Base
1971 Chevrolet Bel Air Base
1971 Chevrolet Biscayne Base
1971 Chevrolet Camaro Base
1971 Chevrolet Camaro SS
1971 Chevrolet Caprice Base
1971 Chevrolet Chevelle Base
1971 Chevrolet Chevelle Concours
1971 Chevrolet Chevelle Concours Estate
1971 Chevrolet Chevelle Greenbrier
1971 Chevrolet Chevelle Malibu
1971 Chevrolet Chevelle Nomad
1971 Chevrolet Chevelle SS
1971 Chevrolet Corvette Base
1971 Chevrolet Impala Base
1971 Chevrolet Kingswood Base
1971 Chevrolet Kingswood Estate
1971 Chevrolet Monte Carlo Base
1972 Chevrolet Bel Air Base
1972 Chevrolet Biscayne Base
1972 Chevrolet Brookwood Base
1972 Chevrolet Camaro Base
1972 Chevrolet Camaro SS
1972 Chevrolet Camaro Z28
1972 Chevrolet Caprice Base
1972 Chevrolet Chevelle Base
1972 Chevrolet Chevelle Concours
1972 Chevrolet Chevelle Concours Estate
1972 Chevrolet Chevelle Greenbrier
1972 Chevrolet Chevelle Malibu
1972 Chevrolet Chevelle Nomad
1972 Chevrolet Chevelle SS
1972 Chevrolet Corvette Base
1972 Chevrolet Impala Base
1972 Chevrolet Kingswood Base
1972 Chevrolet Kingswood Estate
1972 Chevrolet Monte Carlo Base
1972 Chevrolet Townsman Base
1973 Chevrolet Bel Air Base
1973 Chevrolet Caprice Classic
1973 Chevrolet Caprice Estate
1973 Chevrolet Chevelle Deluxe
1973 Chevrolet Corvette Base
1973 Chevrolet Impala Base
1973 Chevrolet Laguna Base
1973 Chevrolet Laguna Estate
1973 Chevrolet Malibu Base
1973 Chevrolet Malibu Estate
1973 Chevrolet Monte Carlo Base
1973 Chevrolet Monte Carlo Landau
1973 Chevrolet Monte Carlo S
1974 Chevrolet Bel Air Base
1974 Chevrolet Caprice Classic
1974 Chevrolet Caprice Estate
1974 Chevrolet Corvette Base
1974 Chevrolet Impala Base
1974 Chevrolet Laguna Base
1974 Chevrolet Laguna Type S-3
1974 Chevrolet Malibu Base
1974 Chevrolet Malibu Classic
1974 Chevrolet Malibu Estate
1974 Chevrolet Monte Carlo Base
1974 Chevrolet Monte Carlo Landau
1975 Chevrolet Bel Air Base
1975 Chevrolet Caprice Classic
1975 Chevrolet Caprice Classic Sport
1975 Chevrolet Caprice Estate Wagon
1975 Chevrolet Impala Base
1975 Chevrolet Impala Custom
1975 Chevrolet Impala Sport
1975 Chevrolet Laguna Base
1975 Chevrolet Laguna S3
1975 Chevrolet Malibu Classic
1975 Chevrolet Monte Carlo S
1976 Chevrolet Caprice Classic
1976 Chevrolet Caprice Classic Estate
1976 Chevrolet Caprice Classic Landau
1976 Chevrolet Caprice Classic Sport
1976 Chevrolet Impala Base
1976 Chevrolet Impala Custom
1976 Chevrolet Impala Custom Landau
1976 Chevrolet Impala S
1976 Chevrolet Impala Sport