COMP Cams Rockers CS 1.5 1/2in Ultra Pro

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