Article no.:
1803-1
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COMP Cams Rocker CS 1.65 3/8in Ultra Pro
Take your engine to the next level with the COMP Cams Ultra Pro Magnum XD Rocker Arms. Built to outlast and outperform, these rockers feature a durable 8650 steel construction and a machined billet pushrod seat insert for superior accuracy and strength.
- 1.65 ratio for use with 3/8" stud Chevrolet V6 and 265-400 Small Block
- Machined billet pushrod seat insert for super accurate ratios
- Fully rebuildable with precision-sorted needle bearings and hardened roller tips
- Works with most diameter springs and retainers
With the Ultra Pro Magnum XD Rocker Arms, you can expect improved strength, stiffness, and MOI optimization for drag and circle track applications. Backed by a lifetime guarantee against breakage, these rockers are the perfect choice for serious engine enthusiasts.
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Buick | Apollo | 1973 | Base |
| Buick | Apollo | 1974 | Base |
| Buick | Apollo | 1975 | Base |
| Buick | Apollo | 1975 | SR |
| Buick | Centurion | 1972 | Base |
| Buick | Centurion | 1973 | Base |
| Buick | Century | 1973 | Base |
| Buick | Century | 1973 | Luxus |
| Buick | Century | 1974 | Base |
| Buick | Century | 1974 | Luxus |
| Buick | Century | 1975 | Base |
| Buick | Century | 1975 | Custom |
| Buick | Century | 1975 | Luxus |
| Buick | Century | 1976 | Base |
| Buick | Century | 1976 | Custom |
| Buick | Century | 1976 | Indianapolis 500 Pace Car |
| Buick | Century | 1977 | Base |
| Buick | Century | 1977 | Custom |
| Buick | Century | 1978 | Custom |
| Buick | Century | 1978 | Limited |
| Buick | Century | 1978 | Special |
| Buick | Century | 1978 | Sport |
| Buick | Century | 1979 | Custom |
| Buick | Century | 1979 | Limited |
| Buick | Century | 1979 | Special |
| Buick | Century | 1980 | Base |
| Buick | Century | 1980 | Estate |
| Buick | Century | 1980 | Limited |
| Buick | Commercial Chassis | 1991 | Base |
| Buick | Commercial Chassis | 1992 | Base |
| Buick | Commercial Chassis | 1993 | Base |
| Buick | Electra | 1976 | 225 |
| Buick | Electra | 1976 | Limited |
| Buick | Electra | 1977 | 225 |
| Buick | Electra | 1977 | Limited |
| Buick | Estate Wagon | 1973 | Base |
| Buick | GS | 1972 | Base |
| Buick | LeSabre | 1972 | Base |
| Buick | LeSabre | 1972 | Custom |
| Buick | LeSabre | 1973 | Base |
| Buick | LeSabre | 1973 | Custom |
| Buick | LeSabre | 1974 | Base |
| Buick | LeSabre | 1974 | Luxus |
| Buick | LeSabre | 1977 | Base |
| Buick | LeSabre | 1977 | Custom |
| Buick | LeSabre | 1977 | Custom Sport |
| Buick | LeSabre | 1978 | Base |
| Buick | LeSabre | 1978 | Custom |
| Buick | Regal | 1973 | Base |
| Buick | Regal | 1974 | Base |
| Buick | Regal | 1975 | Base |
| Buick | Regal | 1976 | Base |
| Buick | Regal | 1976 | SR |
| Buick | Regal | 1977 | Base |
| Buick | Regal | 1977 | SR |
| Buick | Regal | 1978 | Base |
| Buick | Regal | 1978 | Limited |
| Buick | Regal | 1979 | Base |
| Buick | Regal | 1979 | Limited |
| Buick | Regal | 1980 | Base |
| Buick | Regal | 1980 | Limited |
| Buick | Roadmaster | 1991 | Estate Wagon |
| Buick | Roadmaster | 1992 | Base |
| Buick | Roadmaster | 1992 | Estate Wagon |
| Buick | Roadmaster | 1992 | Limited |
| Buick | Roadmaster | 1993 | Base |
| Buick | Roadmaster | 1993 | Estate Wagon |
| Buick | Roadmaster | 1993 | Limited |
| Buick | Skylark | 1972 | 350 |
| Buick | Skylark | 1972 | Base |
| Buick | Skylark | 1972 | Custom |
| Buick | Skylark | 1975 | Base |
| Buick | Skylark | 1975 | SR |
| Buick | Skylark | 1976 | Base |
| Buick | Skylark | 1976 | S |
| Buick | Skylark | 1976 | SR |
| Buick | Skylark | 1977 | Base |
| Buick | Skylark | 1977 | S |
| Buick | Skylark | 1977 | SR |
| Buick | Skylark | 1978 | Base |
| Buick | Skylark | 1978 | Custom |
| Buick | Skylark | 1978 | S |
| Buick | Skylark | 1978 | Sport |
| Buick | Skylark | 1979 | Base |
| Buick | Skylark | 1979 | Custom |
| Buick | Skylark | 1979 | S |
| Buick | Sportwagon | 1972 | Base |
| Cadillac | Brougham | 1990 | Base |
| Cadillac | Brougham | 1990 | d'Elegance |
| Cadillac | Brougham | 1991 | Base |
| Cadillac | Brougham | 1991 | d'Elegance |
| Cadillac | Brougham | 1992 | Base |
| Cadillac | Brougham | 1992 | d'Elegance |
| Cadillac | Commercial Chassis | 1992 | Brougham |
| Cadillac | Commercial Chassis | 1993 | Brougham |
| Cadillac | Eldorado | 1980 | Base |
| Cadillac | Eldorado | 1980 | Biarritz |
| Cadillac | Eldorado | 1980 | Cabriolet |
| Cadillac | Fleetwood | 1993 | Base |
| Cadillac | Fleetwood | 1993 | Brougham |
COMP Cams manufactures camshafts and other valvetrain components. Products include everything from valve springs and hardware to pushrods, lifters, and even intake manifolds. COMP Cams’ history of producing high quality parts for everything from street cars to Pro Stock and Sprint Cup teams has proven their place in the market. The same technology used to develop parts for NASCAR and NHRA is used in all of their performance parts, down to the very basic street setup.
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