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Availability: Special Order*
SKU: 1803-8
Manufacturer: COMP Cams
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$289.76

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.

265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10

For Small Block Chevrolet applications, 1.65 ratio, 3/8" 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;

COMP Cams Ultra Pro Magnum XD Roller Rocker Arms, 1.65 Ratio, 3/8" Stud Diameter for Small Block Chevrolet, Set of 8

COMP Cams Rockers CS 1.65 3/8in Ultra Pro

Rockers, CS 1.65 3/8" Ultra Pro Mag XD

ROCKERS, CS 1.65 3/8" ULTRA PR

ROCKERS, CS 1.65 3/8

Engine Rocker Arm

None

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.

265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10

For Small Block Chevrolet applications, 1.65 ratio, 3/8" 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;

COMP Cams Ultra Pro Magnum XD Roller Rocker Arms, 1.65 Ratio, 3/8" Stud Diameter for Small Block Chevrolet, Set of 8

COMP Cams Rockers CS 1.65 3/8in Ultra Pro

Rockers, CS 1.65 3/8" Ultra Pro Mag XD

ROCKERS, CS 1.65 3/8" ULTRA PR

ROCKERS, CS 1.65 3/8

Engine Rocker Arm

None

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Vehicle Fitment

Chevrolet

    Caprice

      1996 Classic - 1995 Classic - 1994 Classic - 1994 Classic LS - 1993 Classic LTZ - 1993 Classic LS - 1993 Classic - 1992 Base - 1992 Classic - 1992 Classic LTZ - 1991 Base - 1991 Classic - 1991 Classic LTZ - 1990 Base - 1990 Classic - 1990 Classic Brougham - 1990 Classic LS Brougham - 1989 Classic LS Brougham - 1989 Classic Brougham - 1989 Classic - 1989 Base - 1988 Classic LS Brougham - 1988 Base - 1988 Classic - 1988 Classic Brougham - 1987 Base - 1987 Classic Brougham - 1987 Classic LS Brougham - 1987 Classic - 1986 Base - 1986 Classic - 1986 Classic Brougham - 1985 Classic - 1984 Classic - 1983 Classic - 1982 Classic - 1982 Classic Estate - 1981 Classic Landau - 1981 Classic Estate - 1981 Classic - 1980 Classic - 1980 Classic Landau - 1980 Classic Sport - 1979 Classic Sport - 1979 Classic Landau - 1979 Classic - 1978 Classic Estate - 1978 Classic Landau - 1978 Classic - 1977 Classic - 1977 Classic Landau - 1977 Classic Estate - 1976 Classic - 1976 Classic Landau - 1976 Classic Sport - 1976 Classic Estate - 1975 Estate Wagon - 1975 Classic Sport - 1975 Classic - 1974 Classic - 1974 Estate - 1973 Classic - 1973 Estate - 1972 Base - 1971 Base - 1970 Base - 1969 Base - 1968 Base - 1967 Base - 1966 Base

    Camaro

      1992 RS - 1992 RS Heritage Edition - 1992 Z28 - 1992 Z28 Heritage Edition - 1991 Z28 - 1991 RS - 1990 RS - 1990 Iroc-Z - 1989 Iroc-Z - 1989 RS - 1988 Iroc-Z - 1988 Base - 1987 Z28 - 1987 LT - 1987 Sport - 1987 Iroc-Z - 1986 Z28 - 1986 Sport - 1986 Berlinetta - 1986 Iroc-Z - 1985 Z28 - 1985 Iroc-Z - 1985 Berlinetta - 1985 Sport - 1984 Z28 - 1984 Sport - 1984 Berlinetta - 1983 Z28 - 1983 Berlinetta - 1983 Sport - 1982 Sport - 1982 Z28 - 1982 Berlinetta - 1982 Z28 Indianapolis 500 Pace Car - 1981 Berlinetta - 1981 Z28 - 1981 Sport - 1980 Base - 1980 Rally Sport - 1980 Z28 - 1980 Berlinetta - 1979 Base - 1979 Berlinetta - 1979 Z28 - 1979 Rally Sport - 1978 Base - 1978 Rally Sport - 1978 Z28 - 1978 LT Rally Sport - 1978 LT - 1977 Base - 1977 Rally Sport - 1977 Z28 - 1977 LT Rally Sport - 1977 LT - 1976 Base - 1976 Rally Sport - 1976 LT Rally Sport - 1976 LT - 1975 Base - 1975 RS - 1975 LT - 1974 Base - 1974 Z28 - 1974 LT - 1973 Base - 1973 LT - 1973 RS - 1973 Z28 - 1972 Base - 1972 Z28 - 1972 RS - 1972 SS - 1971 Base - 1971 SS - 1971 RS - 1971 Z28 - 1970 Base - 1970 RS - 1970 SS - 1970 Z28 - 1969 Base - 1969 SS - 1969 RS - 1968 Base - 1968 SS - 1968 RS - 1967 Base - 1967 RS - 1967 SS

    Corvette

      1991 Base - 1990 Base - 1989 Base - 1988 35th Anniversary Edition - 1988 Base - 1987 Base - 1986 Base - 1986 Indianapolis 500 Pace Car - 1985 Base - 1984 Base - 1982 Base - 1982 Collector's Edition - 1981 Base - 1980 Base - 1979 Base - 1978 Base - 1978 Indianapolis 500 Pace Car - 1978 Silver Anniversary Edition - 1977 Base - 1976 Stingray - 1975 Stingray - 1974 Base - 1973 Base - 1972 Base - 1971 Base - 1970 Base - 1969 Base - 1968 Base - 1967 Base - 1966 Base - 1965 Base - 1964 Base - 1963 Base - 1962 Base - 1961 Base - 1960 Base - 1959 Base - 1958 Base - 1957 Base - 1956 Base - 1955 Base

    Monte Carlo

      1988 Base - 1988 LS - 1988 SS - 1987 SS - 1987 Base - 1987 LS - 1986 LS - 1986 Base - 1986 SS - 1985 SS - 1985 Base - 1984 SS - 1984 Base - 1983 Base - 1983 SS - 1983 CL - 1982 Base - 1981 Base - 1981 Landau - 1980 Landau - 1980 Sport - 1979 Base - 1979 Landau - 1978 Sport - 1978 Landau - 1977 S - 1976 S - 1976 Landau - 1975 S - 1974 Base - 1974 Landau - 1973 Base - 1973 Landau - 1973 S - 1972 Base - 1971 Base - 1970 Base

    Impala

      1985 Base - 1984 Base - 1983 Base - 1982 Base - 1982 Estate - 1981 Estate - 1981 Base - 1980 Base - 1980 Sport - 1979 Sport - 1979 Landau - 1979 Base - 1978 Base - 1978 Landau - 1977 Custom - 1977 Landau - 1977 Base - 1976 Base - 1976 Custom Landau - 1976 Custom - 1976 Sport - 1976 S - 1975 Base - 1975 Sport - 1975 Custom - 1974 Base - 1973 Base - 1972 Base - 1971 Base - 1970 Base - 1969 Base - 1968 Base - 1967 Base - 1967 SS - 1966 Base - 1966 SS - 1965 Base - 1965 SS - 1964 Base - 1964 SS - 1963 Base - 1962 Base - 1961 Base - 1960 Base - 1959 Base

    Malibu

      1983 Classic - 1982 Classic - 1981 Classic Landau - 1981 Classic - 1981 Base - 1980 Estate - 1980 Base - 1980 Classic Sport - 1980 Classic Landau - 1980 Sport - 1980 Classic - 1980 Classic Estate - 1979 Base - 1979 Estate - 1979 Classic - 1979 Sport - 1979 Landau - 1979 Police - 1979 Classic Sport - 1979 Classic Estate - 1979 Classic Landau - 1978 Base - 1978 Classic Landau - 1978 Classic - 1978 Classic Estate - 1977 Base - 1977 Sport - 1977 Classic - 1977 Classic Landau - 1977 Classic Sport - 1976 Base - 1976 Landau - 1976 Classic Estate - 1976 Classic - 1976 Classic Landau - 1975 Base - 1975 Classic - 1975 Classic Estate - 1974 Base - 1974 Classic - 1974 Estate - 1973 Base - 1973 Estate - 1967 Base - 1966 Base - 1965 Base - 1964 Base

    Monza

      1979 Base - 1979 S - 1979 2+2 - 1979 2+2 Sport - 1979 2+2 Spyder - 1978 Sport - 1978 S - 1978 2+2 Spyder - 1978 2+2 - 1978 2+2 Sport - 1978 Base - 1977 Towne Coupe - 1977 Towne Coupe Cabriolet - 1977 Towne Coupe Sport - 1977 Mirage - 1977 2+2 - 1977 2+2 Spyder - 1976 2+2 - 1976 Base - 1976 2+2 Spyder - 1975 S - 1975 2+2

    Nova

      1979 Base - 1979 Rally - 1979 Custom - 1978 Base - 1978 Rally - 1978 Police - 1978 Custom - 1977 Base - 1977 Rally - 1977 Police - 1977 Concours - 1976 Base - 1976 Police - 1976 SS - 1976 Concours - 1975 Police - 1975 Custom - 1975 LN - 1975 Base - 1974 Base - 1974 Custom - 1973 Base - 1973 Custom - 1972 Base - 1971 Base - 1970 Base - 1969 Base

    Laguna

      1976 S3 - 1975 Base - 1975 S3 - 1974 Base - 1973 Base - 1973 Estate

    Bel Air

      1975 Base - 1974 Base - 1973 Base - 1972 Base - 1971 Base - 1970 Base - 1969 Base - 1968 Base - 1967 Base - 1966 Base - 1965 Base - 1964 Base - 1963 Base - 1962 Base - 1961 Base - 1960 Base - 1959 Base - 1958 Base - 1957 Base - 1957 Nomad - 1956 Nomad - 1956 Beauville - 1956 Base - 1955 Nomad - 1955 Beauville - 1955 Base

    Chevelle

      1973 Deluxe - 1972 Base - 1972 Concours - 1972 Concours Estate - 1972 Greenbrier - 1972 Malibu - 1972 Nomad - 1972 SS - 1971 Base - 1971 Concours - 1971 Concours Estate - 1971 Greenbrier - 1971 Malibu - 1971 Nomad - 1971 SS - 1970 Base - 1970 Concours - 1970 Concours Estate - 1970 Greenbrier - 1970 Malibu - 1970 Nomad - 1970 SS - 1969 300 Deluxe - 1969 Concours - 1969 Concours Estate - 1969 Greenbrier - 1969 Malibu - 1969 Nomad - 1969 SS - 1968 300 - 1968 300 Deluxe - 1968 Concours - 1968 Malibu - 1968 Nomad - 1968 SS - 1968 Base - 1967 Base - 1967 300 - 1967 300 Deluxe - 1967 Deluxe - 1967 Concours - 1967 SS - 1966 Base - 1966 SS - 1966 Deluxe - 1965 Base - 1965 Deluxe - 1965 SS - 1964 Base - 1964 SS

    Biscayne

      1972 Base - 1971 Base - 1970 Base - 1969 Base - 1968 Base - 1967 Base - 1966 Base - 1965 Base - 1964 Base - 1963 Base - 1962 Base - 1961 Base - 1960 Base - 1960 Fleetmaster - 1959 Base - 1958 Base

    Brookwood

      1972 Base - 1971 Base - 1970 Base - 1969 Base - 1961 Base - 1960 Base - 1959 Base - 1958 Base

    Kingswood

      1972 Base - 1972 Estate - 1971 Base - 1971 Estate - 1970 Base - 1970 Estate - 1969 Base - 1969 Estate

    Townsman

      1972 Base - 1971 Base - 1970 Base - 1969 Base

    Chevy II

      1968 Nova - 1967 Nova - 1967 Nova SS - 1967 Base - 1966 Nova - 1966 Nova SS - 1966 Base - 1965 Nova - 1965 Nova SS - 1965 Base - 1964 Nova - 1964 Nova SS - 1964 Base - 1963 Base - 1963 Nova

    Del Ray

      1958 Base

    One-Fifty Series

      1957 Base - 1956 Base - 1955 Base

    Two-Ten Series

      1957 Base - 1957 Del Ray - 1956 Base - 1956 Del Ray - 1955 Base - 1955 Del Ray

Buick

    Commercial Chassis

      1993 Base - 1992 Base - 1991 Base

    Roadmaster

      1993 Limited - 1993 Base - 1993 Estate Wagon - 1992 Estate Wagon - 1992 Limited - 1992 Base - 1991 Estate Wagon

    Century

      1980 Base - 1980 Estate - 1980 Limited - 1979 Limited - 1979 Custom - 1979 Special - 1978 Limited - 1978 Custom - 1978 Special - 1978 Sport - 1977 Custom - 1977 Base - 1976 Base - 1976 Custom - 1976 Indianapolis 500 Pace Car - 1975 Base - 1975 Custom - 1975 Luxus - 1974 Base - 1974 Luxus - 1973 Base - 1973 Luxus

    Regal

      1980 Limited - 1980 Base - 1979 Base - 1979 Limited - 1978 Base - 1978 Limited - 1977 Base - 1977 SR - 1976 SR - 1976 Base - 1975 Base - 1974 Base - 1973 Base

    Skylark

      1979 Base - 1979 Custom - 1979 S - 1978 Base - 1978 Sport - 1978 Custom - 1978 S - 1977 Base - 1977 SR - 1977 S - 1976 Base - 1976 S - 1976 SR - 1975 Base - 1975 SR - 1972 Base - 1972 Custom - 1972 350

    LeSabre

      1978 Base - 1978 Custom - 1977 Custom Sport - 1977 Custom - 1977 Base - 1974 Base - 1974 Luxus - 1973 Base - 1973 Custom - 1972 Base - 1972 Custom

    Electra

      1977 225 - 1977 Limited - 1976 Limited - 1976 225

    Apollo

      1975 Base - 1975 SR - 1974 Base - 1973 Base

    Centurion

      1973 Base - 1972 Base

    Estate Wagon

      1973 Base

    GS

      1972 Base

    Sportwagon

      1972 Base

Cadillac

    Commercial Chassis

      1993 Brougham - 1992 Brougham

    Fleetwood

      1993 Base - 1993 Brougham

    Brougham

      1992 Base - 1992 d'Elegance - 1991 d'Elegance - 1991 Base - 1990 Base - 1990 d'Elegance

    Eldorado

      1980 Base - 1980 Biarritz - 1980 Cabriolet

    Seville

      1980 Base - 1980 Elegante

Oldsmobile

    Custom Cruiser

      1992 Base - 1991 Base - 1977 Base - 1975 Panel - 1975 Base

    Cutlass Cruiser

      1982 Base - 1981 Brougham - 1981 Base - 1980 Base - 1980 Brougham

    Cutlass

      1980 Base - 1980 LS - 1980 Brougham - 1979 Vista Cruiser - 1979 Vista Cruiser Brougham - 1978 Vista Cruiser - 1973 Base - 1973 S - 1972 Base - 1972 S - 1972 Cruiser

    Cutlass Calais

      1980 Base - 1979 Base - 1978 Base

    Cutlass Salon

      1980 Brougham - 1980 Base - 1979 Brougham - 1979 Base - 1978 Brougham - 1978 442 - 1978 Base

    Cutlass Supreme

      1980 Base - 1980 Brougham - 1979 Base - 1979 Brougham - 1978 Base - 1978 Brougham - 1973 Base - 1972 Base

    Omega

      1979 Base - 1979 Brougham - 1979 Brougham LS - 1978 Brougham LS - 1978 Brougham - 1978 Base - 1978 SX - 1977 SX - 1977 Brougham - 1977 Base - 1977 Deluxe - 1977 F85 - 1976 Base - 1976 F85 - 1976 SX - 1976 Brougham - 1975 Base - 1975 Salon - 1973 Base

    Starfire

      1979 SX - 1979 Base - 1979 GT - 1979 Firenza - 1978 Base - 1978 GT - 1978 Firenza - 1978 SX - 1977 Base - 1977 GT - 1977 SX - 1977 Firenza

    Delta 88

      1977 Royale - 1977 Base - 1975 Royale - 1975 Base - 1973 Base - 1973 Royale - 1972 Base - 1972 Royale

    98

      1973 Base - 1973 Regency - 1972 Base

    Vista Cruiser

      1973 Base - 1972 Base

    F85

      1972 Base

Pontiac

    Firebird

      1992 Base - 1992 Formula - 1992 Trans Am - 1992 Trans Am GTA - 1991 Trans Am GTA - 1991 Trans Am - 1991 Formula - 1991 Base - 1990 Base - 1990 Formula - 1990 Trans Am GTA - 1990 Trans Am - 1989 Trans Am - 1989 Trans Am GTA - 1989 Formula - 1989 Base - 1988 Base - 1988 Trans Am - 1987 Trans Am - 1987 Base - 1986 Base - 1986 S/E - 1986 Trans Am - 1985 Base - 1985 Trans Am - 1985 S/E - 1984 Base - 1984 S/E - 1984 Trans Am - 1983 Base - 1983 Trans Am - 1983 S/E - 1982 S/E - 1982 Trans Am - 1982 Base - 1981 Formula - 1981 Trans Am - 1980 Trans Am - 1980 Formula - 1980 Esprit - 1980 Base - 1979 Base - 1979 Esprit - 1979 Formula - 1978 Formula - 1978 Esprit - 1978 Base - 1977 Base - 1977 Formula - 1977 Esprit - 1974 Base - 1974 Esprit - 1974 Formula - 1974 Trans Am - 1973 Base - 1973 Esprit - 1973 Formula - 1973 Trans Am - 1972 Base - 1972 Esprit - 1972 Formula - 1972 Trans Am

    Grand Prix

      1987 Base - 1987 Brougham - 1987 LE - 1986 LE - 1986 Brougham - 1986 Base - 1985 Base - 1985 Brougham - 1985 LE - 1984 LE - 1984 Brougham - 1984 Base - 1983 Base - 1983 Brougham - 1983 LJ - 1980 Base - 1980 SJ - 1980 LJ - 1979 Base - 1979 LJ - 1979 SJ - 1978 Base - 1978 LJ - 1978 SJ - 1975 LJ - 1975 SJ

    Bonneville

      1986 Brougham - 1986 LE - 1986 Base - 1985 Brougham - 1985 LE - 1985 Base - 1984 Brougham - 1984 LE - 1984 Base - 1983 Base - 1983 Brougham - 1975 Base - 1974 Base

    Parisienne

      1986 Base - 1986 Brougham - 1985 Brougham - 1985 Base - 1984 Base - 1984 Brougham - 1983 Brougham - 1983 Base

    Grand Am

      1980 Base - 1979 Base - 1978 Base - 1975 Base - 1974 Base

    Grand LeMans

      1980 Base - 1980 Safari - 1979 Safari - 1979 Base - 1978 Base - 1978 Safari - 1977 Base - 1975 Base - 1975 Safari

    LeMans

      1980 Safari - 1980 Base - 1979 Base - 1979 Safari - 1978 Safari - 1978 Base - 1977 Base - 1977 Sport - 1975 Base - 1975 Sport - 1975 Safari - 1974 Base - 1974 Safari - 1974 Sport - 1974 Luxury - 1974 Safari Luxury - 1973 Base - 1973 Safari - 1973 Sport

    Phoenix

      1979 Base - 1979 LJ - 1979 SJ - 1978 SJ - 1978 LJ - 1978 Base - 1977 Base

    Sunbird

      1979 Base - 1978 Base

    Ventura

      1977 Base - 1977 SJ - 1976 SJ - 1976 Base - 1975 Custom - 1975 S - 1975 SJ - 1975 Base - 1974 GTO - 1974 Base - 1974 Custom - 1972 Base - 1971 Base

    Catalina

      1975 Base - 1975 Safari - 1974 Base - 1974 Safari - 1967 Base - 1967 Ventura - 1967 Safari

    Grandville

      1975 Brougham

Checker

    Marathon

      1982 Base - 1982 Deluxe - 1981 Base - 1981 Deluxe - 1980 Base - 1980 Deluxe - 1979 Base - 1979 Deluxe - 1978 Base - 1978 Deluxe - 1977 Base - 1977 Deluxe - 1976 Base - 1976 Deluxe - 1975 Base - 1975 Deluxe - 1975 Aerobus

Fiat

    1100

      1959 Base
*we take fitment seriously and have invested heavily into matching products to your vehicle, but it is up to the end user to confirm products are suitable for their vehicle, legal for them to use for the purposes they intend, and verify fitment upon installation. Many opened products may not be returned, so if fitment is in question, please contact us before ordering. We are not resonsible for any costs incurring from a product not being suitable to an end users application.