• 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: 01YYK

$123.57 USD
$123.57 USD
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  • Free fitment check before you order

COMP Cams CS MAGNUM ROLLER ROCKER, with the part number and details listed below. Higher-ratio rockers add valve lift without changing the cam.

Quick facts

  • Brand: COMP Cams
  • Part type: Rocker arm

Listed fitment

  • 1980 Cadillac Eldorado Cabriolet, Biarritz, Base
  • 1980 Cadillac Seville Base, Elegante
  • 1955 - 1974 Chevrolet Bel Air Base
  • 1955 - 1956 Chevrolet Bel Air Beauville
  • 1955 - 1957 Chevrolet Bel Air Nomad
  • 1958 - 1959 Chevrolet Biscayne Base
  • 1969 - 1972 Chevrolet Brookwood Base
  • 1969 - 1974 Chevrolet C10 Pickup Base
  • 1976 - 1980 Chevrolet C20 Cheyenne, Silverado, Custom Deluxe, Scottsdale
  • 1978 - 1979 Chevrolet C30 Base, Silverado, Custom Deluxe, Scottsdale, Cheyenne
  • 1969 - 1980 Chevrolet Camaro Base
  • 1979 - 1986 Chevrolet Camaro Berlinetta
  • 1985 - 1986 Chevrolet Camaro Iroc-Z
  • 1973 - 1978 Chevrolet Camaro LT
  • 1976 - 1978 Chevrolet Camaro LT Rally Sport
  • 1976 - 1980 Chevrolet Camaro Rally Sport
  • 1969 - 1973 Chevrolet Camaro RS
  • 1981 - 1986 Chevrolet Camaro Sport
  • 1969 - 1972 Chevrolet Camaro SS
  • 1969 - 1986 Chevrolet Camaro Z28
  • 1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car
  • 1985 Chevrolet Caprice Classic, Base
  • 1973 Chevrolet Chevelle Deluxe
  • 1964 - 1967 Chevrolet Chevy II Nova SS
  • 1963 - 1967 Chevrolet Chevy II Nova, Base
  • 1957 - 1986 Chevrolet Corvette Base
  • 1982 Chevrolet Corvette Collector's Edition
  • 1986 Chevrolet Corvette Indianapolis 500 Pace Car
  • 1975 - 1976 Chevrolet Corvette Stingray
  • 1958 Chevrolet Del Ray Base
  • 1976 - 1977 Chevrolet El Camino Classic
  • 1977 - 1986 Chevrolet El Camino Conquista
  • 1968 - 1973 Chevrolet El Camino Custom
  • 1979 - 1981 Chevrolet El Camino Royal Knight
  • 1968 - 1986 Chevrolet El Camino SS, Base
  • 1969 - 1973 Chevrolet G10 Van Base
  • 1968 - 1973 Chevrolet G10 Van Sportvan
  • 1983 - 1984 Chevrolet G20 Bonaventure
  • 1978 - 1981 Chevrolet G20 Nomad
  • 1977 - 1986 Chevrolet G20 Sportvan, Chevy Van, Beauville
  • …and 34 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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