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COMP Cams Rocker Arm348-409 Chevy 1-7 U

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SKU: 1629-1

Manufacturer: COMP Cams

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The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 348-409 applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3/8" 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 348-409 Chevrolet V8 applications, 1.7 ratio, 3/8" 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

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.7 ratio, this rocker fits Chevrolet 348-409 with a 3/8" diameter stud.

COMP Cams Ultra Pro Magnum Roller Rocker Arm, 1.7 Ratio, 3/8" Stud Diameter for 348, 409 Chevrolet, Single Piece

Ultra Pro Magnum Rocker Arm w/ 1.7 Ratio for Chevrolet 348-409 w/ 3/8" Stud

Rocker Arm,348/409 Chevy 1.7 Ult.Pro Mag

COMP Cams Rocker Arm348/409 Chevy 1.7 U

Ultra Pro 1.7 Chev 348-409 3/8 Stud

Engine Rocker Arm

None

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COMP Cams Ultra Pro Magnum Roller Rocker Arm, 1.7 Ratio, 3/8" Stud Diameter for 348, 409 Chevrolet, Single Piece

Ultra Pro Magnum Rocker Arm w/ 1.7 Ratio for Chevrolet 348-409 w/ 3/8" Stud

Rocker Arm,348/409 Chevy 1.7 Ult.Pro Mag

COMP Cams Rocker Arm348/409 Chevy 1.7 U

Ultra Pro 1.7 Chev 348-409 3/8 Stud

Engine Rocker Arm

None

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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 -

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1979 Scottsdale -

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1977 Scottsdale -

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1975 Scottsdale -

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1974 Base -

1973 Base -

1972 Base -

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1969 Base -

1968 Base

C30

1986 Custom -

1986 Scottsdale -

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1984 Custom -

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1981 Deluxe -

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1980 Cheyenne -

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1980 Scottsdale -

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1979 Silverado -

1979 Scottsdale -

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1978 Custom Deluxe -

1978 Scottsdale -

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1977 Silverado -

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K30

1986 Silverado -

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1982 Custom -

1981 Silverado -

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1981 Scottsdale -

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1981 Custom -

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

1980 Silverado -

1977 Cheyenne -

1977 Scottsdale -

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1977 Silverado

K20 Suburban

1985 Custom -

1985 Scottsdale -

1985 Silverado -

1973 Base

C10

1980 Big Ten -

1980 Cheyenne -

1980 Custom Deluxe -

1980 Scottsdale -

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1975 Silverado -

1975 Scottsdale

C10 Suburban

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1979 Silverado -

1979 Scottsdale -

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1978 Silverado -

1978 Custom Deluxe -

1978 Scottsdale -

1977 Scottsdale -

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1968 Base

K10

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K20

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K5 Blazer

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Caprice

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G20

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G30

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Impala

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Corvette

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G10 Van

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G20 Van

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G30 Van

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K10 Pickup

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K20 Pickup

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K30 Pickup

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Blazer

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Chevelle

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1969 300 Deluxe -

1969 Concours -

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1968 300 Deluxe -

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1967 Concours -

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Biscayne

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Brookwood

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Camaro

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K10 Suburban

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Kingswood

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Townsman

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Nova

1970 Base -

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Chevy II

1968 Nova

P30 Series

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Del Ray

1958 Base

GMC

R3500

1989 Base -

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V3500

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C2500

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C2500 Suburban

1986 Base -

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1986 Sierra Classic -

1985 Base -

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1985 Sierra Classic -

1984 High Sierra -

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1983 Base -

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1982 High Sierra -

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1981 Base -

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1980 Base -

1980 Sierra Classic -

1980 Sierra Grande -

1979 Base -

1979 High Sierra -

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1979 Sierra Grande

C3500

1986 Base -

1986 High Sierra -

1986 Sierra Classic -

1985 Sierra Classic -

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1980 Sierra Classic -

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1979 High Sierra

K3500

1986 Sierra Classic -

1986 Base -

1986 High Sierra -

1985 High Sierra -

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1984 Sierra Classic -

1984 Base -

1984 High Sierra -

1983 High Sierra -

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1982 Sierra Classic -

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1981 High Sierra -

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C1500

1980 Base -

1980 High Sierra -

1980 Sierra Classic -

1980 Sierra Grande -

1980 Street Coupe -

1980 Heavy Half -

1979 Heavy Half -

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1979 Street Coupe -

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1979 High Sierra

C1500 Suburban

1980 Base -

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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 -

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1979 Sierra Grande -

1979 Sierra Classic -

1979 High Sierra -

1979 Base

C15

1978 Base -

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1978 Street Coupe -

1978 Heavy Half -

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1977 Indy Hauler -

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1975 Sierra Grande -

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1975 High Sierra

C15 Suburban

1978 Base -

1978 Sierra Grande -

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1977 High Sierra -

1977 Base -

1977 Sierra Grande -

1977 Sierra Classic -

1976 Base -

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1976 High Sierra -

1976 Sierra Classic -

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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 -

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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 -

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1977 Sierra Grande -

1977 Sierra Classic -

1977 High Sierra -

1977 Base -

1976 High Sierra -

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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 -

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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 -

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1976 Sierra Grande -

1973 Base

K15

1976 Base -

1976 High Sierra -

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1976 Sierra Grande

Sprint

1975 Base -

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1975 SP -

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C15/C1500 Pickup

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C15/C1500 Suburban

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C25/C2500 Pickup

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C25/C2500 Suburban

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C35/C3500 Pickup

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K15/K1500 Suburban

1974 Base -

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K25/K2500 Pickup

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K25/K2500 Suburban

1974 Base -

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K35/K3500 Pickup

1974 Base -

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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.

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