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COMP Cams 1604-16

Ultra Pro Magnum Rocker Arms Chevy Small Block V8 265-400



COMP Cams 1604-16
Representative Image
Product images may differ from actual product appearance.

Part Number: 249-1604-16

Ultra Pro Magnum Rocker Arms
  • Chevy Small Block V8 265-400
  • Rocker Stud: 7/16"
  • Ratio: 1.52
  • 16/pkg
  • $314.08
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    COMP Cams 1604-16 Ultra Pro Magnum Rocker Arms Chevy Small Block V8 265-400 $314.08

    COMP Cams 1604-16 Details

    Chevy Small Block

  • 8650 Chromemoly Steel
  • 29 Percent Stronger Than Pro Magnum
  • Redesigned Steel Stud Mount Rocker
  • Reduced Weight And Greater Strength
  • Increased High RPM Stability
  • Black Oxide Exterior Finish
  • Increased Retainer And Valve Spring Clearances
  • Lifetime Warranty

  • Specifications:

    Engine Make/Size
    Chevy Small Block (262-400)
    Ratio
    1.52
    Stud Size
    7/16
    Arm Finish
    Black oxide
    Arm Material
    Chromoly steel
    Quantity
    Sold as a set of 16
    Rocker Arm Body Style
    Standard
    Rocker Arm Mounting Style
    Stud
    Rocker Arm Nut Style
    Polylock
    Rocker Arm Ratio
    1.52
    Rocker Arm Style
    Full roller
    Self-Aligning
    No
    Shims Included
    No
    Manufacturer's Part Number:
    1604-16

    Industry's top selling steel roller rocker arms have been completely redesigned for reduced weight and greater strength, yielding increased valve train stability

    The original Pro Magnum stud mount rocker arm design has been the standard of the industry for almost 20 years, but recent advancements in design capabilities and steel casting processes have paved the way for a "clean sheet" redesign. Utilizing years of valve train design experience, the latest FEA stress analysis technology and an exhaustive testing regiment (dyno & Spintron®), the Comp Cams engineering team left no detail to chance. Everything from casting techniques to valve spring clearance was scrutinized to ensure that the new Ultra Pro Magnumâ„¢ Rocker Arms not only live up to the lofty standards of their predecessor but also took stud mount rocker performance, stability and value to a whole new level. Consider the mission accomplished.

    The most noticeable advancement with the Comp Cams Ultra Pro Magnum Rocker Arms centers around their nearly unbreakable investment cast 8650 chromemoly body. The arched, web-like design delivers a nearly 29% increase in strength and rigidity while reducing the moment of inertia and optimizing the dynamic balance. The resulting rocker maximizes lift and valve train control at high rpm. The increased retainer and valve spring clearances of the new design enable the use of large diameter valve springs, retainers and locks without clearance or fitment issues. As further testament to the strength of this design, Comp Cams includes a lifetime guarantee against the breakage of the rocker arm body for any reason.

    Even the fit and finish of this innovative new rocker from COMP Cams provides its advantages. The new black oxide exterior finish offers a distinctive appearance along with long term corrosion resistance.

    The Ultra Pro Magnum Rocker Arms from COMP Cams feature an oversized trunion and precision-sorted needle bearings for use with high load valve springs. Additionally, these unique rockers also feature hardened roller tips for reduced friction and elimination of the valve stem "side loading" that causes premature valve guide wear. And like the previous generation Pro Magnums, these new rockers feature a fully rebuildable design that means they very well may be the last rocker arms you ever have to purchase.

    **The last 1 or 2 digits in each part number represent the quantity of rocker arms: Ex. 249-1601-12 means 12 rocker arms are included in each order.

    Does COMP Cams 1604-16 fit your vehicle?

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    1985 PONTIAC FIREBIRD

    • EngineType: ALL
    • SubModel: TRANS AM

    1983 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1969-1972 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: CONCOURS ESTATE
    • EngineType: V8

    1970 CHEVROLET EL CAMINO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: SS
    • CUI: 400
    • EngineType: V8

    1974 CHEVROLET BLAZER

    • CC: 4737
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1969-1971 CHEVROLET K30 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1978-1980 CHEVROLET C10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BIG TEN
    • EngineType: V8

    1965-1966 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: DELUXE

    1970-1972 CHEVROLET IMPALA

    • CC: 6556
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1983-1984 PONTIAC BONNEVILLE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BROUGHAM

    1984 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: Z28
    • CUI: 305
    • EngineType: V8

    1968-1972 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: SS
    • EngineType: V8

    1971 CHEVROLET C10 SUBURBAN

    • CC: 5736
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1966 CHEVROLET C30 PICKUP

    • CC: 5358
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1977-1978 CHEVROLET MALIBU

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: CLASSIC

    1981-1982 CHEVROLET G30 VAN

    • EngineType: V8
    • SubModel: HI-CUBE

    1976 CHEVROLET G10 VAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BEAUVILLE
    • EngineType: V8

    1979-1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: CHEYENNE
    • EngineType: V8

    1969-1971 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1973-1974 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1957 CHEVROLET BEL AIR

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 4.3
    • SubModel: NOMAD
    • EngineType: V8

    1969 CHEVROLET K10 PICKUP

    • CC: 5031
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1978 BUICK SKYLARK

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: SPORT
    • EngineType: V8

    1968 CHEVROLET C10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1974 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1976 CHEVROLET IMPALA

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: S
    • CUI: 350
    • EngineType: V8

    1978 CHEVROLET K30 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • EngineType: V8

    1985 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: SILVERADO
    • EngineType: V8

    1974 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1966-1969 CHEVROLET CAPRICE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.4
    • SubModel: BASE
    • EngineType: V8

    1982-1986 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: CUSTOM
    • EngineType: V8

    1972 CHEVROLET BEL AIR

    • CC: 6556
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1979 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: CHEYENNE
    • EngineType: V8

    1974 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1966-1967 CHEVROLET CAPRICE

    • CC: 4638
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1977 CHEVROLET MONZA

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: TOWNE COUPE CABRIOLET

    1981 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: SCOTTSDALE

    1983 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8

    1968-1972 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1980 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BEAUVILLE

    1977 CHEVROLET G10 VAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: CHEVY VAN
    • EngineType: V8

    1969-1970 CHEVROLET C20 PICKUP

    • CC: 5736
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET BROOKWOOD

    • CC: 6556
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1969-1971 CHEVROLET BISCAYNE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1978-1979 PONTIAC PHOENIX

    • Liter: 5.0
    • EngineType: V8
    • SubModel: LJ

    1965 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.3
    • SubModel: BASE
    • EngineType: V8

    1980 OLDSMOBILE CUTLASS

    • Liter: 5.0
    • EngineType: V8
    • SubModel: LS

    1981 CHEVROLET BLAZER K5

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: DELUXE

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: CHEYENNE
    • EngineType: V8

    1968 CHEVROLET BEL AIR

    • CC: 5031
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1978 BUICK CENTURY

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: SPECIAL

    1969-1972 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: GREENBRIER
    • EngineType: V8

    1983-1984 CHEVROLET G20 VAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BONAVENTURE
    • EngineType: V8

    1984 CHEVROLET MONTE CARLO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: ALL
    • SubModel: SS

    1973 CHEVROLET G10 VAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1973 CHEVROLET MONTE CARLO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: S
    • EngineType: V8

    1981 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: DELUXE
    • EngineType: V8

    1962-1963 CHEVROLET IMPALA

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.4
    • SubModel: BASE
    • EngineType: V8

    1979-1980 BUICK REGAL

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1983 CHEVROLET MONTE CARLO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: SS
    • EngineType: V8

    1976-1978 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: CHEYENNE
    • EngineType: V8

    1968 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.3
    • SubModel: 300
    • EngineType: V8

    1972 CHEVROLET CAPRICE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1974-1975 CHEVROLET EL CAMINO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1980 CHEVROLET K20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • EngineType: V8

    1969-1971 CHEVROLET BLAZER

    • CC: 5736
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1980-1986 CHEVROLET K30 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • EngineType: V8

    1967-1968 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.3
    • SubModel: BASE
    • EngineType: V8

    1973 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: BASE

    1977 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: SILVERADO
    • EngineType: V8

    1983-1986 CHEVROLET G30 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BEAUVILLE

    1969-1971 CHEVROLET K20 SUBURBAN

    • CC: 5031
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1977 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: SILVERADO
    • EngineType: V8

    1979-1980 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: SILVERADO
    • EngineType: V8

    1979 CHEVROLET G30 VAN

    • EngineType: V8
    • SubModel: CHEVY VAN

    1972 CHEVROLET BROOKWOOD

    • CC: 6555
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1975-1976 CHEVROLET MALIBU

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: CLASSIC
    • CUI: 400
    • EngineType: V8

    1976 CHEVROLET NOVA

    • CC: 5031
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: CONCOURS
    • EngineType: V8

    1979 OLDSMOBILE CUTLASS

    • Liter: 5.0
    • EngineType: V8
    • SubModel: VISTA CRUISER BROUGHAM

    1970-1971 CHEVROLET BEL AIR

    • CC: 6555
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1968-1972 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: CONCOURS
    • EngineType: V8

    1976 CHEVROLET MONZA

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: 2+2
    • EngineType: V8

    1969-1971 CHEVROLET BEL AIR

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1979-1980 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: CUSTOM DELUXE
    • EngineType: V8

    1978-1979 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1975-1977 CHEVROLET C10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: CHEYENNE
    • EngineType: V8

    1978-1979 OLDSMOBILE OMEGA

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BROUGHAM

    1974 CHEVROLET MALIBU

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 6.6
    • SubModel: ESTATE
    • EngineType: V8

    1975 CHEVROLET NOVA

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: POLICE
    • EngineType: V8

    1975 CHEVROLET K5 BLAZER

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: SILVERADO
    • EngineType: V8

    1980 CHEVROLET IMPALA

    • CC: 5031
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: SPORT
    • EngineType: V8

    1975-1981 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: CHEYENNE
    • EngineType: V8

    1971 CHEVROLET C10 SUBURBAN

    • CC: 5736
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1973-1974 CHEVROLET CAPRICE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8

    1981 CHEVROLET K10 SUBURBAN

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: ALL
    • SubModel: CUSTOM

    1982-1986 CHEVROLET K10 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.7
    • SubModel: SILVERADO
    • EngineType: V8

    1968 CHEVROLET C20 PICKUP

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1970-1972 CHEVROLET CHEVELLE

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1985-1986 CHEVROLET CAMARO

    • CC: 5031
    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • Liter: 5.0
    • SubModel: Z28
    • EngineType: V8

    1976-1979 CHEVROLET CAMARO

    • Fitment_Note: Must Use Screw-In Studs And Guide Plates
    • EngineType: V8
    • SubModel: RALLY SPORT
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