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COMP Cams Rocker Arms CB 1-7 7-16 Ultra - ( COMP Cams 1620-8 )

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SKU: 1620-8

Manufacturer: COMP Cams

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The Ultra Pro Magnum Roller Rocker Arms for Big Block Chevy 396-454 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.7 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.

For Big Block Chevy applications, 1.7 Ratio, 7/16" Studs; Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while reducing moment of inertia; Unique black oxide exterior finish helps prevent corrosion, thus increasing durability; Optimized retainer and valve spring clearances allow use of most diameter springs, retainers and +.050" locks without clearance or fitment issues; Feature oversized trunions, precision sorted needle bearings and hardened roller tips

396; 402; 427; 454; 496; 502; 572; 632; Chevrolet; BBC; Big Block Chevy; Big Block Chevrolet; Chevelle; Corvette; Mark IV; GEN 4; Monte Carlo; Caprice; Sprint; Nova; Camaro; Firebird; L78; Z16; L37; L34; L35; L37; L66; LS3; L34; L35; L37; L66; COPO; ZL1; C10; K10

COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1.7 Ratio, 7/16" Stud Diameter for Big Block Chevrolet, Set of 8

Rocker Arms, CB 1.7 7/16 Ultra Pro Mag

COMP Cams Rocker Arms CB 1.7 7/16 Ultra

ROCKER ARMS, CB 1.7 7/16 ULTRA

ROCKER ARMS, CB 1.7

Engine Rocker Arm

None

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COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1.7 Ratio, 7/16" Stud Diameter for Big Block Chevrolet, Set of 8

Rocker Arms, CB 1.7 7/16 Ultra Pro Mag

COMP Cams Rocker Arms CB 1.7 7/16 Ultra

ROCKER ARMS, CB 1.7 7/16 ULTRA

ROCKER ARMS, CB 1.7

Engine Rocker Arm

None

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Vehicle Fitment

Chevrolet

R3500

1989 Cheyenne -

1989 Scottsdale -

1989 Silverado

V3500

1989 Cheyenne -

1989 Scottsdale -

1989 Silverado

R30

1988 Custom Deluxe -

1988 Scottsdale -

1988 Silverado -

1988 Cheyenne -

1987 Silverado -

1987 Custom Deluxe -

1987 Scottsdale

V30

1988 Cheyenne -

1988 Scottsdale -

1988 Silverado -

1988 Custom Deluxe -

1987 Custom Deluxe -

1987 Scottsdale -

1987 Silverado

C20

1986 Custom -

1986 Scottsdale -

1986 Silverado -

1985 Silverado -

1985 Scottsdale -

1985 Custom -

1984 Silverado -

1984 Scottsdale -

1984 Custom -

1983 Silverado -

1983 Custom -

1983 Scottsdale -

1982 Silverado -

1982 Scottsdale -

1982 Custom -

1981 Deluxe -

1981 Custom -

1981 Silverado -

1981 Scottsdale -

1981 Cheyenne -

1980 Cheyenne -

1980 Silverado -

1980 Custom Deluxe -

1980 Scottsdale -

1979 Cheyenne -

1979 Scottsdale -

1979 Custom Deluxe -

1979 Silverado -

1978 Cheyenne -

1978 Custom Deluxe -

1978 Scottsdale -

1978 Silverado -

1977 Cheyenne -

1977 Custom Deluxe -

1977 Scottsdale -

1977 Silverado -

1976 Cheyenne -

1976 Custom Deluxe -

1976 Silverado -

1976 Scottsdale -

1975 Custom Deluxe -

1975 Cheyenne -

1975 Scottsdale -

1975 Silverado

C20 Suburban

1986 Custom -

1986 Scottsdale -

1986 Silverado -

1985 Custom -

1985 Silverado -

1985 Scottsdale -

1984 Custom -

1984 Silverado -

1984 Scottsdale -

1983 Custom -

1983 Silverado -

1982 Custom -

1982 Silverado -

1982 Scottsdale -

1981 Custom -

1981 Deluxe -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1979 Silverado -

1979 Scottsdale -

1979 Custom Deluxe -

1978 Custom Deluxe -

1978 Scottsdale -

1977 Silverado -

1977 Scottsdale -

1977 Custom Deluxe -

1976 Silverado -

1976 Custom Deluxe -

1976 Scottsdale -

1975 Custom Deluxe -

1975 Scottsdale -

1975 Silverado -

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C30

1986 Custom -

1986 Scottsdale -

1986 Silverado -

1985 Scottsdale -

1985 Silverado -

1985 Custom -

1984 Custom -

1984 Silverado -

1984 Scottsdale -

1983 Silverado -

1983 Custom -

1983 Scottsdale -

1982 Custom -

1982 Silverado -

1982 Scottsdale -

1981 Custom -

1981 Deluxe -

1981 Scottsdale -

1981 Silverado -

1981 Cheyenne -

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1979 Cheyenne -

1979 Silverado -

1979 Scottsdale -

1979 Custom Deluxe -

1978 Cheyenne -

1978 Custom Deluxe -

1978 Scottsdale -

1978 Silverado -

1977 Cheyenne -

1977 Silverado -

1977 Custom Deluxe -

1977 Scottsdale -

1976 Cheyenne -

1976 Scottsdale -

1976 Custom Deluxe -

1976 Silverado -

1975 Cheyenne -

1975 Silverado -

1975 Custom Deluxe -

1975 Scottsdale

K30

1986 Silverado -

1986 Scottsdale -

1986 Custom -

1985 Custom -

1985 Scottsdale -

1985 Silverado -

1984 Scottsdale -

1984 Custom -

1984 Silverado -

1983 Scottsdale -

1983 Custom -

1983 Silverado -

1982 Silverado -

1982 Scottsdale -

1982 Custom -

1981 Silverado -

1981 Cheyenne -

1981 Scottsdale -

1981 Deluxe -

1981 Custom -

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1977 Cheyenne -

1977 Scottsdale -

1977 Custom Deluxe -

1977 Silverado

K20 Suburban

1985 Custom -

1985 Scottsdale -

1985 Silverado -

1973 Base

C10

1980 Big Ten -

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1979 Silverado -

1979 Big Ten -

1979 Custom Deluxe -

1979 Scottsdale -

1979 Cheyenne -

1978 Cheyenne -

1978 Scottsdale -

1978 Custom Deluxe -

1978 Big Ten -

1978 Silverado -

1977 Cheyenne -

1977 Custom Deluxe -

1977 Silverado -

1977 Scottsdale -

1976 Custom Deluxe -

1976 Cheyenne -

1976 Scottsdale -

1976 Silverado -

1975 Cheyenne -

1975 Custom Deluxe -

1975 Silverado -

1975 Scottsdale

C10 Suburban

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1979 Silverado -

1979 Scottsdale -

1979 Custom Deluxe -

1978 Silverado -

1978 Custom Deluxe -

1978 Scottsdale -

1977 Scottsdale -

1977 Silverado -

1977 Custom Deluxe -

1976 Custom Deluxe -

1976 Silverado -

1976 Scottsdale -

1975 Silverado -

1975 Custom Deluxe -

1975 Scottsdale -

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

K10

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1979 Cheyenne -

1979 Custom Deluxe -

1979 Scottsdale -

1979 Silverado -

1976 Cheyenne -

1976 Custom Deluxe -

1976 Silverado -

1976 Scottsdale

K20

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1978 Silverado -

1978 Cheyenne -

1978 Scottsdale -

1978 Custom Deluxe -

1977 Custom Deluxe -

1977 Scottsdale -

1977 Cheyenne -

1977 Silverado -

1976 Custom Deluxe -

1976 Cheyenne -

1976 Silverado -

1976 Scottsdale

K5 Blazer

1978 Cheyenne -

1978 Custom Deluxe -

1978 Silverado -

1977 Custom Deluxe -

1977 Cheyenne -

1976 Base -

1976 Cheyenne

Caprice

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

G20

1976 Beauville -

1976 Chevy Van

G30

1976 Beauville -

1976 Chevy Van -

1976 Hi-Cube -

1975 Hi-Cube -

1975 Chevy Van -

1975 Beauville

Impala

1976 Base -

1976 S -

1976 Sport -

1976 Custom -

1976 Custom Landau -

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 -

1963 Base

Bel Air

1975 Base -

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base -

1967 Base -

1966 Base -

1965 Base -

1963 Base

El Camino

1975 Base -

1974 Base -

1974 Custom -

1974 SS -

1973 Base -

1973 Custom -

1973 SS -

1972 Base -

1972 Custom -

1972 SS -

1971 Base -

1971 Custom -

1971 SS -

1970 Base -

1970 Custom -

1970 SS -

1969 Base -

1969 Custom -

1969 SS -

1968 Base -

1968 Custom -

1968 SS -

1967 Base -

1966 Base

Laguna

1975 Base -

1975 S3 -

1974 Base -

1974 Type S-3 -

1973 Base -

1973 Estate

Malibu

1975 Classic -

1974 Base -

1974 Classic -

1974 Estate -

1973 Base -

1973 Estate -

1967 Base -

1966 Base

Monte Carlo

1975 S -

1974 Base -

1974 Landau -

1973 Base -

1973 Landau -

1973 S -

1972 Base -

1971 Base -

1970 Base

C10 Pickup

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C20 Pickup

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C30 Pickup

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

Corvette

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base -

1967 Base -

1966 Base

G10 Van

1974 Base -

1973 Base

G20 Van

1974 Base -

1974 Sportvan -

1973 Base -

1973 Sportvan

G30 Van

1974 Base -

1973 Base

K10 Pickup

1974 Base -

1969 Base -

1968 Base

K20 Pickup

1974 Base -

1973 Base -

1969 Base -

1968 Base

K30 Pickup

1974 Base -

1973 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

Blazer

1973 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 -

1967 Base -

1967 Concours -

1967 SS -

1967 Deluxe -

1966 Base -

1966 SS -

1965 Base -

1965 SS

Biscayne

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base -

1967 Base -

1966 Base -

1965 Base -

1963 Base

Brookwood

1972 Base

Camaro

1972 Base -

1972 Z28 -

1972 SS -

1971 Base -

1971 SS -

1970 Base -

1970 SS -

1969 Base -

1969 SS -

1969 RS -

1968 Base -

1968 SS -

1967 Base -

1967 RS -

1967 SS

K10 Suburban

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

Kingswood

1972 Base -

1972 Estate -

1971 Base -

1971 Estate -

1970 Base -

1970 Estate

Townsman

1972 Base -

1970 Base

Nova

1970 Base -

1969 Base

Chevy II

1968 Nova

GMC

R3500

1989 Base -

1989 Sierra Classic -

1989 High Sierra -

1988 Sierra Classic -

1988 Base -

1988 High Sierra -

1987 High Sierra -

1987 Base -

1987 Sierra Classic

V3500

1989 Base -

1989 High Sierra -

1989 Sierra Classic -

1988 Base -

1988 High Sierra -

1988 Sierra Classic -

1987 Base -

1987 High Sierra -

1987 Sierra Classic

C2500

1986 Base -

1986 High Sierra -

1986 Sierra Classic -

1985 Sierra Classic -

1985 High Sierra -

1985 Base -

1984 Base -

1984 High Sierra -

1984 Sierra Classic -

1983 Sierra Classic -

1983 High Sierra -

1983 Base -

1982 High Sierra -

1982 Base -

1982 Sierra Classic -

1982 Sierra Grande -

1981 Sierra Grande -

1981 Sierra Classic -

1981 Base -

1981 High Sierra -

1980 High Sierra -

1980 Base -

1980 Sierra Classic -

1980 Sierra Grande -

1979 Sierra Grande -

1979 Sierra Classic -

1979 Base -

1979 High Sierra

C2500 Suburban

1986 Base -

1986 High Sierra -

1986 Sierra Classic -

1985 Base -

1985 High Sierra -

1985 Sierra Classic -

1984 High Sierra -

1984 Base -

1984 Sierra Classic -

1983 Base -

1983 High Sierra -

1983 Sierra Classic -

1982 High Sierra -

1982 Base -

1982 Sierra Classic -

1982 Sierra Grande -

1981 Base -

1981 High Sierra -

1981 Sierra Grande -

1981 Sierra Classic -

1980 High Sierra -

1980 Base -

1980 Sierra Classic -

1980 Sierra Grande -

1979 Base -

1979 High Sierra -

1979 Sierra Classic -

1979 Sierra Grande

C3500

1986 Base -

1986 High Sierra -

1986 Sierra Classic -

1985 Sierra Classic -

1985 High Sierra -

1985 Base -

1984 Base -

1984 High Sierra -

1984 Sierra Classic -

1983 Sierra Classic -

1983 High Sierra -

1983 Base -

1982 Base -

1982 High Sierra -

1982 Sierra Classic -

1982 Sierra Grande -

1981 Base -

1981 Sierra Classic -

1981 High Sierra -

1981 Sierra Grande -

1980 Base -

1980 High Sierra -

1980 Sierra Classic -

1980 Sierra Grande -

1979 Base -

1979 Sierra Grande -

1979 Sierra Classic -

1979 High Sierra

K3500

1986 Sierra Classic -

1986 Base -

1986 High Sierra -

1985 High Sierra -

1985 Base -

1985 Sierra Classic -

1984 Sierra Classic -

1984 Base -

1984 High Sierra -

1983 High Sierra -

1983 Base -

1983 Sierra Classic -

1982 Sierra Classic -

1982 Sierra Grande -

1982 Base -

1982 High Sierra -

1981 High Sierra -

1981 Base -

1981 Sierra Grande -

1981 Sierra Classic -

1980 Sierra Classic -

1980 Sierra Grande -

1980 Base -

1980 High Sierra -

1979 Base -

1979 Sierra Classic -

1979 High Sierra -

1979 Sierra Grande

C1500

1980 Base -

1980 High Sierra -

1980 Sierra Classic -

1980 Sierra Grande -

1980 Street Coupe -

1980 Heavy Half -

1979 Heavy Half -

1979 Base -

1979 Street Coupe -

1979 Sierra Grande -

1979 Sierra Classic -

1979 High Sierra

C1500 Suburban

1980 Base -

1980 High Sierra -

1980 Sierra Classic -

1980 Sierra Grande -

1979 Sierra Grande -

1979 Base -

1979 Sierra Classic -

1979 High Sierra

K1500

1980 Base -

1980 High Sierra -

1980 Sierra Classic -

1980 Sierra Grande -

1979 Sierra Grande -

1979 Sierra Classic -

1979 High Sierra -

1979 Base

C15

1978 Base -

1978 High Sierra -

1978 Sierra Classic -

1978 Sierra Grande -

1978 Street Coupe -

1978 Heavy Half -

1977 Sierra Grande -

1977 Heavy Half -

1977 Sierra Classic -

1977 Indy Hauler -

1977 High Sierra -

1977 Base -

1976 Base -

1976 High Sierra -

1976 Sierra Classic -

1976 Sierra Grande -

1975 Base -

1975 Sierra Grande -

1975 Sierra Classic -

1975 High Sierra

C15 Suburban

1978 Base -

1978 Sierra Grande -

1978 High Sierra -

1978 Sierra Classic -

1977 High Sierra -

1977 Base -

1977 Sierra Grande -

1977 Sierra Classic -

1976 Base -

1976 Sierra Grande -

1976 High Sierra -

1976 Sierra Classic -

1975 High Sierra -

1975 Base -

1975 Sierra Grande -

1975 Sierra Classic

C25

1978 Base -

1978 High Sierra -

1978 Sierra Classic -

1978 Sierra Grande -

1977 High Sierra -

1977 Base -

1977 Sierra Grande -

1977 Sierra Classic -

1976 High Sierra -

1976 Sierra Classic -

1976 Base -

1976 Sierra Grande -

1975 High Sierra -

1975 Base -

1975 Sierra Grande -

1975 Sierra Classic

C25 Suburban

1978 Base -

1978 High Sierra -

1978 Sierra Classic -

1978 Sierra Grande -

1977 Sierra Grande -

1977 Sierra Classic -

1977 High Sierra -

1977 Base -

1976 High Sierra -

1976 Base -

1976 Sierra Classic -

1976 Sierra Grande -

1975 Sierra Grande -

1975 High Sierra -

1975 Sierra Classic -

1975 Base

C35

1978 Sierra Grande -

1978 High Sierra -

1978 Sierra Classic -

1978 Base -

1977 High Sierra -

1977 Base -

1977 Sierra Grande -

1977 Sierra Classic -

1976 Sierra Grande -

1976 High Sierra -

1976 Sierra Classic -

1976 Base -

1975 High Sierra -

1975 Base -

1975 Sierra Grande -

1975 Sierra Classic

K25

1978 High Sierra -

1978 Sierra Classic -

1978 Sierra Grande -

1978 Base -

1977 Base -

1977 High Sierra -

1977 Sierra Classic -

1977 Sierra Grande -

1976 High Sierra -

1976 Base -

1976 Sierra Grande -

1976 Sierra Classic

K25 Suburban

1977 Sierra Grande -

1977 Sierra Classic -

1977 Base -

1977 High Sierra -

1976 Base -

1976 Sierra Classic -

1976 High Sierra -

1976 Sierra Grande

G25

1976 Rally STX -

1976 Rally -

1975 Rally -

1975 Rally STX

G35

1976 Magnavan

Jimmy

1976 Base -

1976 High Sierra -

1976 Sierra Classic -

1976 Sierra Grande -

1973 Base

K15

1976 Base -

1976 High Sierra -

1976 Sierra Classic -

1976 Sierra Grande

Sprint

1975 Base -

1975 High Sierra -

1975 SP -

1975 Classic -

1974 Base -

1974 Custom -

1973 Base -

1973 Custom -

1972 Base -

1972 Custom -

1971 Base

C15/C1500 Pickup

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C15/C1500 Suburban

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C25/C2500 Pickup

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C25/C2500 Suburban

1974 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

C35/C3500 Pickup

1974 Base -

1973 Base -

1972 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

K15/K1500 Suburban

1974 Base -

1972 Base -

1971 Base -

1970 Base -

1968 Base

K25/K2500 Pickup

1974 Base -

1973 Base -

1969 Base -

1968 Base

K25/K2500 Suburban

1974 Base -

1968 Base

K35/K3500 Pickup

1974 Base -

1973 Base -

1971 Base -

1970 Base -

1969 Base -

1968 Base

K15/K1500 Pickup

1969 Base -

1968 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.