What is the ratio of these rocker arms?

These COMP Cams Ultra Pro Magnum rocker arms feature a 1.5 ratio. This means that for every 1.0 unit of rocker arm stud movement, the valve will open 1.5 units.

What material are these rocker arms made from?

The rocker bodies are made from investment cast 8650 chromemoly steel. This material is chosen for its strength and rigidity, especially in performance applications.

What is the warranty on these rocker arms?

COMP Cams offers a lifetime warranty on the rocker bodies against breakage, highlighting their confidence in the durability of this component.

COMP Cams Shaft Mount Rocker Arms 1.5 Ratio 1622-1

Name: COMP Cams Ultra Pro Mag Rocker Chrysler
Brand: COMP Cams
Price: 80.27 USD
Availability: InStock

COMP Cams Ultra Pro Mag Rocker Chrysler

$80.27

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

COMP Cams Ultra Pro Magnum rocker arms for Chrysler 273-360 LA Small Block engines. They offer improved strength and durability for performance builds.

Key Features

Fits Chrysler 273-360 LA Small Block engines.
Shaft-mounted design with a 1.5 ratio for optimized valve lift.
Constructed from investment cast 8650 chromemoly steel for increased strength and rigidity.
Features an arched, web-like design to reduce moment of inertia.
Oversized trunnions and precision-sorted needle bearings enhance performance and dependability.
Hardened roller tips minimize friction and wear.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

COMP Cams is well-known for its performance valvetrain components, and these Ultra Pro Magnum rocker arms continue that tradition for Chrysler LA Small Block engines. If you're working on a 273, 318, 360, or similar Mopar V8, these shaft-mounted rockers are built to handle the demands of a performance build. They replace your stock rocker arms, offering a 1.5 ratio to help optimize valve lift and duration.

These rockers are constructed from investment cast 8650 chromemoly steel, featuring an arched, web-like design that increases strength and rigidity while reducing rotational mass. This design, combined with oversized trunnions and precision-sorted needle bearings, helps improve performance and dependability. The hardened roller tips minimize friction, and the black oxide exterior finish helps prevent corrosion. COMP Cams also optimized the retainer and valve spring clearances, allowing these rockers to work with most common spring diameters, retainers, and +.050" locks without clearance issues. They are rated for use with up to 850 lbs of open spring pressure and require ball/ball style pushrods.

These rocker arms fit a wide range of Chrysler, Dodge, and Plymouth vehicles from the 1950s through the 1980s, including popular models like the Dodge Dart, Plymouth Barracuda, and Chrysler Cordoba. They are backed by a lifetime warranty against breakage.