COMP Cams 1970-1974 Chevrolet C3 Corvette Rocker Arms CB 1.7 1/2in Ultra Pro
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
CatalogUser 1
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 |
Customer Care
Frequently Asked Questions
Q: Is my personal information kept private? Is it safe to use my credit card?
A: Yes, your personal information is kept private and it is safe to use your credit card.
Q: How much will shipping cost?
A: Unfortunately, the cost of shipping is a real expense. Our goal is to minimize your shipping costs. Shipping is calculated at checkout based on the items in your cart and will be displayed prior to you placing an order. Please note that oversized items may be subject to additional charges, which will be noted on the product page.
Q: How do I track my order?
A: Once your order ships, you will receive a tracking notification via email. You are not required to purchase, download or use the Route app to track your order - this is an optional feature of the Route Package Protection service.
Q: Can someone outside of the United States place an order?
A: Yes, we are happy to provide worldwide service for our customers. Your shipping charges will be calculated during the checkout process. Customs and duty fees are the responsibility of the buyer.
Blog posts
Read moreSeventy-plus years, eight generations, one nameplate. A full walk through every Corvette generation — what Chevrolet changed at each break, which engines went in, which special models matter, and what each car is like to live with now. Includes the modern C8 range from the 670-hp Z06 through the 1,250-hp ZR1X, the all-new 6.7L LS6 that arrived for 2027, a field guide to telling the generations apart, and the six best-selling pieces for each one.
Read moreGM engineers explain the 2027 Corvette's LS6, LT6 and LT7 V8s in Chevrolet's own newsroom — and why reports say the LS6 could carry into the C9. Click to read the full story!
Read moreChevrolet switched on the Build & Price configurator for the 2027 Corvette Grand Sport X on August 25, which makes the entire 2027 lineup configurable at last. The 1LT coupe starts at $112,195 with carbon-ceramic brakes, Magnetic Ride Control and 721 combined horsepower standard. Inside: what you can spec, the one $500 performance package, two options showing that the order guide says can't be ordered yet, every confirmed spec on the car, and a side-by-side of all six 2027 Corvettes.
