# COMP Cams Rockers CB 1.8 7/16in Ultra Pro

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI optimization for endurance, drag and circle track Applications.

This Part Fits:

Year

Make

Model

Submodel

1972

Chevrolet

Brookwood

Base

1970-1972

Chevrolet

Chevelle

Base

1970-1972

Chevrolet

Chevelle

Concours

1970-1972

Chevrolet

Chevelle

Concours Estate

1970-1972

Chevrolet

Chevelle

Greenbrier

1973

Chevrolet

Chevelle

Laguna

1973

Chevrolet

Chevelle

Laguna Estate

1974-1975

Chevrolet

Chevelle

Laguna Type S-3

1970-1974

Chevrolet

Chevelle

Malibu

1974-1975

Chevrolet

Chevelle

Malibu Classic

1974

Chevrolet

Chevelle

Malibu Classic Estate

1973

Chevrolet

Chevelle

Malibu Estate

1970-1972

Chevrolet

Chevelle

Nomad

1971-1972

Chevrolet

Chevelle

SS

1970

Chevrolet

Chevelle

SS 396

1970-1974

Chevrolet

Corvette

Base

## Details

- **Price:** 642.29 CAD
- **Vendor:** COMP Cams
- **Type:** Rocker Arms

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 642.29 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/comp-cams-rockers-cb-1-8-7-16in-ultra-pro-1)
> Updated: 2026-06-27