• Comp Cams CS Magnum Roller Rocker
  • Comp Cams CS Magnum Roller Rocker
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COMP Cams

Comp Cams CS Magnum Roller Rocker

Comp Cams CS Magnum Roller Rocker

Part number: 03YHB

$16.23 USD
$16.23 USD
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  • Free fitment check before you order

CS MAGNUM ROLLER ROCKER by COMP Cams. Check the part number and details below against what you are replacing. Rocker arms transfer motion from the cam or pushrod to the valve.

Quick facts

  • Brand: COMP Cams
  • Part type: Rocker arm

Specifications

  • Magnum Roller Rocker Arm: Chevy; 3/8" Stud, 1.52 Ratio

Listed fitment

  • 1977 - 1980 Buick Century Base
  • 1980 Buick Century Estate
  • 1977 - 1979 Buick Century Special, Custom
  • 1978 - 1980 Buick Century Sport, Limited
  • 1978 Buick LeSabre Base, Custom, Sport
  • 1977 - 1980 Buick Regal Base
  • 1978 - 1980 Buick Regal Sport, Limited
  • 1977 Buick Regal SR
  • 1977 - 1979 Buick Skylark Base, S
  • 1978 - 1979 Buick Skylark Custom
  • 1978 Buick Skylark Sport
  • 1977 Buick Skylark SR
  • 1955 - 1975 Chevrolet Bel Air Base
  • 1955 - 1956 Chevrolet Bel Air Beauville
  • 1955 - 1957 Chevrolet Bel Air Nomad
  • 1958 - 1972 Chevrolet Biscayne Base
  • 1960 Chevrolet Biscayne Fleetmaster
  • 1969 - 1974 Chevrolet Blazer Base
  • 1969 - 1972 Chevrolet Brookwood Base
  • 1978 - 1980 Chevrolet C10 Big Ten
  • 1975 - 1981 Chevrolet C10 Cheyenne
  • 1975 - 1980 Chevrolet C10 Custom Deluxe
  • 1981 Chevrolet C10 Deluxe
  • 1975 - 1986 Chevrolet C10 Scottsdale, Custom, Silverado
  • 1961 - 1974 Chevrolet C10 Pickup Base
  • 1968 - 1974 Chevrolet C10 Suburban Base
  • 1981 - 1986 Chevrolet C10 Suburban Custom
  • 1975 - 1980 Chevrolet C10 Suburban Custom Deluxe
  • 1981 Chevrolet C10 Suburban Deluxe
  • 1975 - 1986 Chevrolet C10 Suburban Scottsdale, Silverado
  • 1986 Chevrolet C20 Base
  • 1981 - 1986 Chevrolet C20 Custom
  • 1975 - 1980 Chevrolet C20 Custom Deluxe
  • 1981 Chevrolet C20 Deluxe
  • 1975 - 1986 Chevrolet C20 Scottsdale, Silverado, Cheyenne
  • 1961 - 1974 Chevrolet C20 Pickup Base
  • 1968 - 1974 Chevrolet C20 Suburban Base
  • 1981 - 1986 Chevrolet C20 Suburban Custom
  • 1975 - 1980 Chevrolet C20 Suburban Custom Deluxe
  • 1981 Chevrolet C20 Suburban Deluxe
  • …and 182 more

Tip: Check rocker geometry and adjust valve lash or preload after installation.

View full details

Before you order: fitment and what to plan

Rocker arms transfer motion from the cam or pushrod to the valve.

Fitment notes

  • Specs, lead time and warranty come from COMP Cams and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

Plan the whole job

More for your car: All Rocker Arms · Engine

Questions about rocker arms

Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Do I need to adjust valves after new rockers?
Yes on most engines with adjustable valvetrain.
Where do specs and warranty details come from?
From COMP Cams. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.

Questions & answers

No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.

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