What is the spring pressure rating for these rocker arms?

These Ultra Gold ARC rocker arms are designed to be used with up to 700 lbs of open spring pressure. This makes them suitable for many performance and racing applications.

What does the 'ARC' in Ultra Gold ARC Series mean?

ARC stands for Arced, Recessed, and Contoured. This design was developed using FEA analysis to create a rocker arm body that is stronger and stiffer without adding extra weight.

Are these rocker arms sold individually or as a set?

Part number 19021-1 is for a single rocker arm. You will need to purchase the appropriate quantity for your engine's valve train.

COMP Cams Rocker Arms 1.7 Ratio 7/16" Stud 19021-1

Name: COMP Cams Rocker Arm Ultra Gold Arc BBC
Brand: COMP Cams
SKU: comp-cams-comp-cams-rocker-arm-ultra-gold-arc-bbc-t14-4390933
Price: 46.95 USD
Availability: BackOrder

COMP Cams Rocker Arm Ultra Gold Arc BBC

$46.95

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 Gold ARC BBC rocker arms fit many Chevy Big Block V8s and improve valve train stability.

Key Features

Fits 74+ vehicle make/model combinations including Chevrolet Big Block V8 engines.
Features an Arced, Recessed, Contoured (ARC) design for improved strength and stability.
Arced channel and contoured top provide a strong strength-to-weight ratio.
CNC contouring on the body helps improve valve cover and spring clearance.
Designed to withstand up to 700 lbs of open spring pressure.
Includes a spring oiler channel through the body for improved lubrication.

⚠️ 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

If you're working on a Chevrolet Big Block V8 like a 396, 427, or 454, these COMP Cams Ultra Gold ARC Series rocker arms are a solid option for your valve train. They're designed to handle up to 700 lbs of open spring pressure, making them suitable for performance builds. The 'ARC' in the name stands for Arced, Recessed, and Contoured, which is a design COMP Cams developed using FEA analysis to create a stronger, stiffer rocker body without adding unnecessary weight.

These rockers are manufactured in the USA and feature a unique arced channel and contoured top that helps achieve a great strength-to-weight ratio. You'll also find CNC contouring on the body to improve clearance for valve covers and springs, which can be a real help during installation. COMP Cams also updated the trunnion retaining clips to a more durable spiral lock type, similar to what's used on piston pins, and added stress-relieving radii in key areas. Even the included locking nuts are revised for better lash retention and reduced wear. Plus, there's a spring oiler channel through the body to help keep things lubricated.

This particular part number, 19021-1, is for a single rocker arm with a 1.7 ratio, designed for use with a 7/16" stud on Chevrolet Big Block engines. They fit a wide range of vehicles, including popular models like the Chevrolet Impala, Chevelle, and Camaro from various years.