# COMP Cams Rocker Arms CB 1.7 1/2in Ultra

The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnumâ„¢ Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability. Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit, the latest versions of COMP Cams Ultra Pro Magnum Rockers are built to utilize 1/2" Studs to stabilize BBC valve trains. Ultra Pro Magnumâ„¢ Roller Rocker Arms feature a modern arched, web-like design to deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. The Rockers also boast precision-sorted needle bearings and hardened Roller tips. And since they now feature the added benefit of accepting 1/2" Studs, they are a great choice for anyone looking for more stiffness with Stud mount Rockers. These new Ultra Pro Magnumâ„¢ Rocker Arms will provide the ultimate in valve train stability for maximum valve motion both at the track and on the street.1/2" Studs provide a stiffer valve train to achieve maximum valve motion in BBC enginesDeliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balance

This Part Fits:

Year

Make

Model

Submodel

1971-1972

Chevrolet

Bel Air

Base

1975-1981

Chevrolet

C30

Cheyenne

1981-1986

Chevrolet

C30

Custom

1975-1980

Chevrolet

C30

Custom Deluxe

1981

Chevrolet

C30

Deluxe

1975-1986

Chevrolet

C30

Scottsdale

1975-1986

Chevrolet

C30

Silverado

1966-1969

Chevrolet

Caprice

Base

1970-1974

Chevrolet

Corvette

Base

1988

Chevrolet

R30

Cheyenne

1987-1988

Chevrolet

R30

Custom Deluxe

1987-1988

Chevrolet

R30

Scottsdale

1987-1988

Chevrolet

R30

Silverado

1970-1972

GMC

C15/C1500 Pickup

Base

1970-1972

GMC

C15/C1500 Suburban

Base

1973-1974,1976

GMC

Jimmy

Base

1976

GMC

Jimmy

High Sierra

1976

GMC

Jimmy

Sierra Classic

1976

GMC

Jimmy

Sierra Grande

1968-1969

GMC

K15/K1500 Pickup

Base

1976-1977

GMC

K25 Suburban

Base

1976-1977

GMC

K25 Suburban

High Sierra

1976-1977

GMC

K25 Suburban

Sierra Classic

1976-1977

GMC

K25 Suburban

Sierra Grande

1972

GMC

Sprint

Base

1972

GMC

Sprint

Custom

## Details

- **Price:** 859.7 CAD
- **Vendor:** COMP Cams
- **Type:** Rocker Arms

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 859.70 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- Logo Image
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/comp-cams-rocker-arms-cb-1-7-1-2in-ultra)
> Updated: 2026-06-26