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COMP Cams 1620-16

Ultra Pro Magnum Rocker Arms Chevy Big Block V8 396-454

COMP Cams 1620-16

249-1620-16

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COMP Cams 1620-16 Ultra Pro Magnum Rocker Arms Chevy Big Block V8 396-454 $333.99
Ultra Pro Magnum Rocker Arms
  • Chevy Big Block V8 396-454
  • Rocker Stud: 7/16"
  • Ratio: 1.7
  • 16/pkg

  • COMP Cams 1620-16 Details

    Chevy Big 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 Big Block (396-502)
    Ratio
    1.7
    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
    1.7
    Rocker Arm Style
    Full roller
    Self-Aligning
    No
    Shims Included
    No
    Manufacturer's Part Number:
    1620-16

    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 1620-16 fit your vehicle?

    Narrow Results

    1970-1972 CHEVROLET CHEVELLE

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: MALIBU
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET EL CAMINO

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970-1971 GMC K35/K3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976-1978 CHEVROLET K20 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969 CHEVROLET CAPRICE

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969 CHEVROLET EL CAMINO

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975-1978 GMC C25/C2500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975 GMC SPRINT

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974 CHEVROLET C10 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1974 CHEVROLET MONTE CARLO

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1981 CHEVROLET C30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970-1972 GMC C25/C2500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976 GMC JIMMY

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968-1969 CHEVROLET CAPRICE

    • CC: 6998
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1973-1974 GMC K25/K2500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET K20 PICKUP

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1979-1980 CHEVROLET K10 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1980 GMC C1500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1986 GMC K3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET CHEVELLE

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: 300
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972 CHEVROLET C10 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1985 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1976 CHEVROLET IMPALA

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SPORT
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989 CHEVROLET V3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1966-1967 CHEVROLET CAPRICE

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1977 GMC C1500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: INDY HAULER
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978 CHEVROLET K20 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1978 GMC C15 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET C20 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976-1977 GMC K25 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1972 CHEVROLET KINGSWOOD

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976 GMC JIMMY

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1966-1967 CHEVROLET IMPALA

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.0
    • SubModel: SS
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1970 CHEVROLET MONTE CARLO

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973-1974 CHEVROLET C20 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET C10 PICKUP

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1970-1971 CHEVROLET BEL AIR

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970 CHEVROLET CAMARO

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1971-1972 CHEVROLET EL CAMINO

    • CC: 7439
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SS
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989 CHEVROLET V3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET CHEVELLE

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: NOMAD
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969 GMC C15/C1500 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1967 CHEVROLET CHEVELLE

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972 CHEVROLET KINGSWOOD

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: ESTATE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1967 CHEVROLET CAMARO

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1981-1986 CHEVROLET K30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974-1978 GMC C35/C3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 GMC K25/K2500 SUBURBAN

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 CHEVROLET K10 SUBURBAN

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972 CHEVROLET CAMARO

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: U
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1985 CHEVROLET K20 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1983 GMC C3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1982-1986 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1980 CHEVROLET C20 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1986 CHEVROLET K30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973-1974 CHEVROLET MALIBU

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 CHEVROLET C10 SUBURBAN

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1987-1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1965-1967 CHEVROLET IMPALA

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: SS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1967 CHEVROLET BEL AIR

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1978-1980 CHEVROLET C10 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BIG TEN
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 GMC K15/K1500 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1972 GMC C25/C2500 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1969 CHEVROLET C20 PICKUP

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975-1978 GMC C25 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1986 GMC K3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET EL CAMINO

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: SS
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1967-1969 CHEVROLET CORVETTE

    • CC: 6998
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1970 CHEVROLET IMPALA

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1968 CHEVROLET C10 PICKUP

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968-1969 CHEVROLET C10 SUBURBAN

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1974 GMC C25/C2500 SUBURBAN

    • CC: 7439
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: Z
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989 GMC V3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1978 CHEVROLET K5 BLAZER

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977 CHEVROLET K30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 CHEVROLET G20 VAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BEAUVILLE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988 CHEVROLET V30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET KINGSWOOD

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1963 CHEVROLET BISCAYNE

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968 CHEVROLET C20 PICKUP

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 CHEVROLET K30 PICKUP

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975-1976 CHEVROLET IMPALA

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET BISCAYNE

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1967 CHEVROLET CAMARO

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: RS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1979-1980 GMC K1500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1969 CHEVROLET K30 PICKUP

    • CC: 6489
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1989 CHEVROLET R3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET C20 PICKUP

    • CC: 6588
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1976 GMC JIMMY

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET TOWNSMAN

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988 CHEVROLET V30 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 CHEVROLET K10 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET EL CAMINO

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979-1986 GMC C2500 SUBURBAN

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979-1982 GMC K3500 PICKUP

    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1973 CHEVROLET EL CAMINO

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970-1971 CHEVROLET CAPRICE

    • CC: 7441
    • Fitment_Note: Requires Part No. 4514-KIT - Except On Factory Aluminum Heads
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )
    1620-16 - Comp Cams Ultra Pro Magnum ChromeMoly Roller Rockers is rated 5.0 out of 5 by 2.
    • y_2016, m_12, d_9, h_20
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    Rated 5 out of 5 by from Very Nice These are very nice and exactly what you expect. You will like them and they take up way less space than the aluminum ones
    Date published: 2015-08-26
    Rated 5 out of 5 by from The Best! Peace of mind knowing that these rockers are on my engine at 7500 RPM
    Date published: 2016-09-11
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