Product Description
The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnumâ„¢ XD Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability. Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit, the latest versions of COMP Cams Ultra Pro Magnum XD are built to utilize 1/2" Studs to stabilize SBC valve trains. Ultra Pro Magnumâ„¢ XD Rockers are built to outlast and outperform in accuracy and strength, while maintaining all the benefits of the Ultra Pro Magnumâ„¢ version. The XD Rockers are engineered from durable 8650 Steel and include a machined billet Pushrod seat insert for a super-accurate ratio. The Rockers also boast precision-sorted needle bearings and hardened Roller tips. And since they now feature the added benefit of accepting 1/2" Studs, they are a great choice for anyone looking for more stiffness with Stud mount Rockers. These new Ultra Pro Magnumâ„¢ XD Rocker Arms will provide the ultimate in valve train stability for maximum valve motion both at the track and on the street.1/2" Studs provide a stiffer valve train to achieve maximum valve motion in SBC enginesDeliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balanceUltra Pro Magnumâ„¢ XD Rockers feature a machined billet Pushrod seat insert for a super-accurate ratio
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1955-1957 |
Chevrolet |
Bel Air |
Base |
| 1955-1956 |
Chevrolet |
Bel Air |
Beauville |
| 1955-1957 |
Chevrolet |
Bel Air |
Nomad |
| 1969-1973 |
Chevrolet |
Blazer |
Base |
| 1987 |
Chevrolet |
Blazer |
Custom Deluxe |
| 1987 |
Chevrolet |
Blazer |
Silverado |
| 1969-1974 |
Chevrolet |
C10 Suburban |
Base |
| 1981-1986 |
Chevrolet |
C10 Suburban |
Custom |
| 1975-1980 |
Chevrolet |
C10 Suburban |
Custom Deluxe |
| 1981 |
Chevrolet |
C10 Suburban |
Deluxe |
| 1975-1980,1982,1984-1986 |
Chevrolet |
C10 Suburban |
Scottsdale |
| 1975-1980,1982-1986 |
Chevrolet |
C10 Suburban |
Silverado |
| 1992-1995 |
Chevrolet |
C1500 Suburban |
Base |
| 1995 |
Chevrolet |
C1500 Suburban |
LS |
| 1995 |
Chevrolet |
C1500 Suburban |
LT |
| 1992-1994 |
Chevrolet |
C1500 Suburban |
Silverado |
| 1975-1981 |
Chevrolet |
C20 |
Cheyenne |
| 1981-1986 |
Chevrolet |
C20 |
Custom |
| 1975-1980 |
Chevrolet |
C20 |
Custom Deluxe |
| 1981 |
Chevrolet |
C20 |
Deluxe |
| 1975-1986 |
Chevrolet |
C20 |
Scottsdale |
| 1975-1986 |
Chevrolet |
C20 |
Silverado |
| 1966-1969 |
Chevrolet |
C30 Pickup |
Base |
| 1969-1980 |
Chevrolet |
Camaro |
Base |
| 1979-1981 |
Chevrolet |
Camaro |
Berlinetta |
| 1987-1990 |
Chevrolet |
Camaro |
Iroc-Z |
| 1973-1978 |
Chevrolet |
Camaro |
LT |
| 1976-1978 |
Chevrolet |
Camaro |
LT Rally Sport |
| 1976-1980 |
Chevrolet |
Camaro |
Rally Sport |
| 1967,1969-1973,1975 |
Chevrolet |
Camaro |
RS |
| 1981 |
Chevrolet |
Camaro |
Sport |
| 1967-1972 |
Chevrolet |
Camaro |
SS |
| 1970-1974,1977-1981,1991-1992 |
Chevrolet |
Camaro |
Z28 |
| 1992 |
Chevrolet |
Camaro |
Z28 Heritage Edition |
| 1968-1969,1971-1972,1986-1992 |
Chevrolet |
Caprice |
Base |
| 1973-1974,1977-1993 |
Chevrolet |
Caprice |
Classic |
| 1986-1990 |
Chevrolet |
Caprice |
Classic Brougham |
| 1977-1978,1981-1982 |
Chevrolet |
Caprice |
Classic Estate |
| 1977-1981 |
Chevrolet |
Caprice |
Classic Landau |
| 1993 |
Chevrolet |
Caprice |
Classic LS |
| 1987-1990 |
Chevrolet |
Caprice |
Classic LS Brougham |
| 1991-1992 |
Chevrolet |
Caprice |
Classic LTZ |
| 1979-1980 |
Chevrolet |
Caprice |
Classic Sport |
| 1973-1974 |
Chevrolet |
Caprice |
Estate |
| 1972 |
Chevrolet |
Chevelle |
Base |
| 1972 |
Chevrolet |
Chevelle |
Concours |
| 1972 |
Chevrolet |
Chevelle |
Concours Estate |
| 1973 |
Chevrolet |
Chevelle |
Deluxe |
| 1972 |
Chevrolet |
Chevelle |
Greenbrier |
| 1973 |
Chevrolet |
Chevelle |
Laguna |
| 1973 |
Chevrolet |
Chevelle |
Laguna Estate |
| 1972-1976 |
Chevrolet |
Chevelle |
Malibu |
| 1974-1976 |
Chevrolet |
Chevelle |
Malibu Classic |
| 1974-1976 |
Chevrolet |
Chevelle |
Malibu Classic Estate |
| 1973 |
Chevrolet |
Chevelle |
Malibu Estate |
| 1972 |
Chevrolet |
Chevelle |
Nomad |
| 1972 |
Chevrolet |
Chevelle |
SS |
| 1959-1967,1969-1979 |
Chevrolet |
Impala |
Base |
| 1975-1977 |
Chevrolet |
Impala |
Custom |
| 1976 |
Chevrolet |
Impala |
Custom Landau |
| 1977-1979 |
Chevrolet |
Impala |
Landau |
| 1976 |
Chevrolet |
Impala |
S |
| 1975-1976,1979 |
Chevrolet |
Impala |
Sport |
| 1964,1966-1967 |
Chevrolet |
Impala |
SS |
| 1966-1968 |
Chevrolet |
K10 Pickup |
Base |
| 1968 |
Chevrolet |
K10 Suburban |
Base |
| 1968-1973 |
Chevrolet |
K20 Suburban |
Base |
| 1984-1986 |
Chevrolet |
K20 Suburban |
Custom |
| 1977-1978 |
Chevrolet |
K20 Suburban |
Custom Deluxe |
| 1977-1978,1984-1986 |
Chevrolet |
K20 Suburban |
Scottsdale |
| 1977,1985-1986 |
Chevrolet |
K20 Suburban |
Silverado |
| 1972-1973 |
Chevrolet |
Monte Carlo |
Base |
| 1973 |
Chevrolet |
Monte Carlo |
Landau |
| 1973 |
Chevrolet |
Monte Carlo |
S |
| 1989-1991 |
Chevrolet |
R2500 Suburban |
Scottsdale |
| 1989-1991 |
Chevrolet |
R2500 Suburban |
Silverado |
| 1987 |
Chevrolet |
V10 |
Custom Deluxe |
| 1987 |
Chevrolet |
V10 |
Scottsdale |
| 1987 |
Chevrolet |
V10 |
Silverado |
| 1967,1969-1974 |
GMC |
C15/C1500 Pickup |
Base |
| 1967-1968 |
GMC |
C15/C1500 Suburban |
Base |
| 1976-1978 |
GMC |
C25 |
Base |
| 1976-1978 |
GMC |
C25 |
High Sierra |
| 1976-1978 |
GMC |
C25 |
Sierra Classic |
| 1976-1978 |
GMC |
C25 |
Sierra Grande |
| 1978 |
GMC |
C25 Suburban |
Base |
| 1978 |
GMC |
C25 Suburban |
High Sierra |
| 1978 |
GMC |
C25 Suburban |
Sierra Classic |
| 1978 |
GMC |
C25 Suburban |
Sierra Grande |
| 1974 |
GMC |
C25/C2500 Pickup |
Base |
| 1969-1974 |
GMC |
C25/C2500 Suburban |
Base |
| 1979 |
GMC |
C2500 |
Base |
| 1979 |
GMC |
C2500 |
High Sierra |
| 1979 |
GMC |
C2500 |
Sierra Classic |
| 1979 |
GMC |
C2500 |
Sierra Grande |
| 1979-1986,1992-1995 |
GMC |
C2500 Suburban |
Base |
| 1979-1986 |
GMC |
C2500 Suburban |
High Sierra |
| 1979-1986 |
GMC |
C2500 Suburban |
Sierra Classic |
| 1979-1982 |
GMC |
C2500 Suburban |
Sierra Grande |
| 1992-1995 |
GMC |
C2500 Suburban |
SLE |
| 1995 |
GMC |
C2500 Suburban |
SLT |
| 1968-1973 |
GMC |
C35/C3500 Pickup |
Base |
| 1975-1978 |
GMC |
G25 |
Rally |
| 1975-1978 |
GMC |
G25 |
Rally STX |
| 1975-1978 |
GMC |
G25 |
Vandura |
| 1970-1972 |
GMC |
G25/G2500 Van |
Base |
| 1968-1969,1973 |
GMC |
G25/G2500 Van |
Rally |
| 1968-1969,1973 |
GMC |
G25/G2500 Van |
Vandura |
| 1987-1988 |
GMC |
G3500 |
Magnavan |
| 1987-1988 |
GMC |
G3500 |
Rally Custom |
| 1970-1991 |
GMC |
Jimmy |
Base |
| 1975-1985 |
GMC |
Jimmy |
High Sierra |
| 1975-1990 |
GMC |
Jimmy |
Sierra Classic |
| 1975-1982 |
GMC |
Jimmy |
Sierra Grande |
| 1978-1982 |
GMC |
Jimmy |
Street Coupe |
| 1967-1974 |
GMC |
K15/K1500 Pickup |
Base |
| 1979-1986 |
GMC |
K1500 |
Base |
| 1979-1986 |
GMC |
K1500 |
High Sierra |
| 1988-1993 |
GMC |
K1500 |
Sierra |
| 1979-1986 |
GMC |
K1500 |
Sierra Classic |
| 1979-1982 |
GMC |
K1500 |
Sierra Grande |
| 1994-1995 |
GMC |
K1500 |
Sierra SL |
| 1988-1995 |
GMC |
K1500 |
Sierra SLE |
| 1995 |
GMC |
K1500 |
Sierra SLS |
| 1994-1995 |
GMC |
K1500 |
Sierra SLT |
| 1988-1993 |
GMC |
K1500 |
Sierra SLX |
| 1994-1995 |
GMC |
K1500 |
Sierra Special |
| 1993 |
GMC |
K1500 |
Sierra Sport |
| 1967-1968 |
GMC |
K25/K2500 Pickup |
Base |
| 1971-1973 |
GMC |
Sprint |
Base |
| 1972-1973 |
GMC |
Sprint |
Custom |
| 1987-1991 |
GMC |
V1500 Suburban |
Base |
| 1987 |
GMC |
V1500 Suburban |
High Sierra |
| 1987-1989 |
GMC |
V1500 Suburban |
Sierra Classic |
| 1990 |
GMC |
V1500 Suburban |
SLE |
| 1978-1980 |
Pontiac |
Grand Am |
Base |
| 1975 |
Pontiac |
Grand LeMans |
Base |
| 1975 |
Pontiac |
Grand LeMans |
Safari |
