

Comp Cams ROCKER ARMS CS 1.6 7/16 ULTRA PRO MAG

Ultra Pro Magnum Roller Rocker Arms: Chevy; 7/16" Stud, 1.6 Ratio
The Ultra Pro MagnumT Roller Rocker Arms for Chevy V8 265-400 cid (SBC) applications not only live up to the lofty standards of the original Pro MagnumsT, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7/16" stud diameter and 1.6 ratio. The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.
- Investment cast 8650 chromemoly body and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia. Unique black oxide exterior finish helps prevent corrosion and increases durability.
- Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.
- Feature oversized trunions, precision-sorted needle bearings and hardened roller tips.
Vehicle Fitments:
| Year | Make | Model | Submodel | 
|---|---|---|---|
| 1980 | Buick | Century | Base, Estate, Sport, Limited | 
| 1991 - 1993 | Buick | Commercial Chassis | Base | 
| 1980 | Buick | Regal | Base, Limited, Sport | 
| 1991 - 1993 | Buick | Roadmaster | Estate Wagon | 
| 1992 - 1993 | Buick | Roadmaster | Limited, Base | 
| 1990 - 1992 | Cadillac | Brougham | Base, d'Elegance | 
| 1992 - 1993 | Cadillac | Commercial Chassis | Brougham, Base | 
| 1980 | Cadillac | Eldorado | Cabriolet, Biarritz, Base | 
| 1993 | Cadillac | Fleetwood | Base, Brougham | 
| 1980 | Cadillac | Seville | Base, Elegante | 
| 1980 - 1982 | Checker | Marathon | Deluxe, Base | 
| 1994 | Chevrolet | Blazer | Base, Silverado Sport | 
| 1992 - 1993 | Chevrolet | Blazer | Cheyenne | 
| 1987 | Chevrolet | Blazer | Custom Deluxe | 
| 1991 - 1994 | Chevrolet | Blazer | Nevada | 
| 1988 - 1991 | Chevrolet | Blazer | Scottsdale | 
| 1987 - 1994 | Chevrolet | Blazer | Silverado | 
| 1980 - 1981 | Chevrolet | C10 | Cheyenne | 
| 1980 | Chevrolet | C10 | Custom Deluxe, Big Ten | 
| 1980 - 1986 | Chevrolet | C10 | Custom, Scottsdale, Silverado | 
| 1981 | Chevrolet | C10 | Deluxe | 
| 1981 - 1986 | Chevrolet | C10 Suburban | Custom | 
| 1980 | Chevrolet | C10 Suburban | Custom Deluxe | 
| 1981 | Chevrolet | C10 Suburban | Deluxe | 
| 1980 - 1986 | Chevrolet | C10 Suburban | Silverado, Scottsdale | 
| 1990 - 1993 | Chevrolet | C1500 | 454 SS | 
| 1989 - 1995 | Chevrolet | C1500 | Base | 
| 1988 - 1992 | Chevrolet | C1500 | Scottsdale | 
| 1988 - 1995 | Chevrolet | C1500 | Silverado, Cheyenne | 
| 1990 - 1995 | Chevrolet | C1500 | WT | 
| 1992 - 1995 | Chevrolet | C1500 Suburban | Base | 
| 1995 | Chevrolet | C1500 Suburban | LT, LS | 
| 1992 - 1994 | Chevrolet | C1500 Suburban | Silverado | 
| 1986 | Chevrolet | C20 | Base | 
| 1981 - 1986 | Chevrolet | C20 | Custom | 
| 1980 | Chevrolet | C20 | Custom Deluxe | 
| 1981 | Chevrolet | C20 | Deluxe | 
| 1980 - 1986 | Chevrolet | C20 | Scottsdale, Cheyenne, Silverado | 
| 1981 - 1986 | Chevrolet | C20 Suburban | Custom | 
| 1980 | Chevrolet | C20 Suburban | Custom Deluxe | 
| 1981 | Chevrolet | C20 Suburban | Deluxe | 
| 1980 - 1986 | Chevrolet | C20 Suburban | Scottsdale, Silverado | 
| 1993 | Chevrolet | C2500 | 400 SS, Custom | 
| 1988 - 1995 | Chevrolet | C2500 | Base, Silverado, Cheyenne | 
| 1988 - 1992 | Chevrolet | C2500 | Scottsdale | 
| 1994 - 1995 | Chevrolet | C2500 | WT | 
| 1992 - 1995 | Chevrolet | C2500 Suburban | Base | 
| 1995 | Chevrolet | C2500 Suburban | LS, LT | 
| 1992 - 1994 | Chevrolet | C2500 Suburban | Silverado | 
| 1980 - 1982 | Chevrolet | C30 | Base | 
| 1980 - 1981 | Chevrolet | C30 | Cheyenne | 
| 1981 - 1986 | Chevrolet | C30 | Custom | 
| 1980 | Chevrolet | C30 | Custom Deluxe | 
| 1981 | Chevrolet | C30 | Deluxe | 
| 1980 - 1986 | Chevrolet | C30 | Scottsdale, Silverado | 
| 1994 - 1995 | Chevrolet | C3500 | Base | 
| 1988 - 1992 | Chevrolet | C3500 | Scottsdale | 
| 1988 - 1995 | Chevrolet | C3500 | Silverado, Cheyenne | 
| 1980 - 1988 | Chevrolet | Camaro | Base | 
| 1980 - 1986 | Chevrolet | Camaro | Berlinetta | 
| 1985 - 1990 | Chevrolet | Camaro | Iroc-Z | 
| 1987 | Chevrolet | Camaro | LT | 
| 1980 | Chevrolet | Camaro | Rally Sport | 
| 1989 - 1992 | Chevrolet | Camaro | RS | 
| 1981 - 1987 | Chevrolet | Camaro | Sport | 
| 1980 - 1992 | Chevrolet | Camaro | Z28 | 
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition, RS Heritage Edition | 
| 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace Car | 
| 1980 - 1992 | Chevrolet | Caprice | Base | 
| 1980 - 1996 | Chevrolet | Caprice | Classic | 
| 1986 - 1990 | Chevrolet | Caprice | Classic Brougham | 
| 1981 - 1982 | Chevrolet | Caprice | Classic Estate | 
| 1980 - 1981 | Chevrolet | Caprice | Classic Landau | 
| 1993 - 1994 | Chevrolet | Caprice | Classic LS | 
| 1987 - 1990 | Chevrolet | Caprice | Classic LS Brougham | 
| 1991 - 1993 | Chevrolet | Caprice | Classic LTZ | 
| 1980 | Chevrolet | Caprice | Classic Sport | 
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition | 
| 1980 - 1991 | Chevrolet | Corvette | Base | 
| 1982 | Chevrolet | Corvette | Collector's Edition | 
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car | 
| 1990 - 1991 | Chevrolet | Corvette | ZR-1 | 
| 1980 - 1987 | Chevrolet | El Camino | Base, SS | 
| 1981 - 1986 | Chevrolet | El Camino | Conquista | 
| 1980 - 1981 | Chevrolet | El Camino | Royal Knight | 
| 1983 | Chevrolet | G10 | Base | 
| 1981 - 1987 | Chevrolet | G10 | Bonaventure | 
| 1980 - 1995 | Chevrolet | G10 | Sportvan, Beauville, Chevy Van | 
| 1995 | Chevrolet | G20 | Base | 
| 1983 - 1984 | Chevrolet | G20 | Bonaventure | 
| 1980 - 1995 | Chevrolet | G20 | Chevy Van, Beauville, Sportvan | 
| 1980 - 1981 | Chevrolet | G20 | Nomad | 
| 1983 - 1984 | Chevrolet | G30 | Bonaventure | 
| 1980 - 1996 | Chevrolet | G30 | Hi-Cube, Sportvan, Chevy Van, Beauville | 
| 1980 - 1985 | Chevrolet | Impala | Base | 
| 1981 - 1982 | Chevrolet | Impala | Estate | 
| 1980 | Chevrolet | Impala | Sport | 
| 1980 - 1981 | Chevrolet | K10 | Cheyenne | 
| 1981 - 1986 | Chevrolet | K10 | Custom | 
| 1980 | Chevrolet | K10 | Custom Deluxe | 
| 1981 | Chevrolet | K10 | Deluxe | 
| 1980 - 1986 | Chevrolet | K10 | Silverado, Scottsdale | 
| 1981 - 1986 | Chevrolet | K10 Suburban | Custom | 
| 1980 | Chevrolet | K10 Suburban | Custom Deluxe | 
| 1981 | Chevrolet | K10 Suburban | Deluxe | 
| 1980 - 1986 | Chevrolet | K10 Suburban | Scottsdale, Silverado | 
| 1994 - 1995 | Chevrolet | K1500 | Base | 
| 1988 - 1995 | Chevrolet | K1500 | Cheyenne, Silverado | 
| 1988 - 1992 | Chevrolet | K1500 | Scottsdale | 
| 1991 | Chevrolet | K1500 | Sport | 
| 1990 - 1995 | Chevrolet | K1500 | WT | 
| 1992 - 1995 | Chevrolet | K1500 Suburban | Base | 
| 1995 | Chevrolet | K1500 Suburban | LT, LS | 
| 1992 - 1994 | Chevrolet | K1500 Suburban | Silverado | 
| 1980 - 1981 | Chevrolet | K20 | Cheyenne | 
| 1981 - 1986 | Chevrolet | K20 | Custom | 
| 1980 | Chevrolet | K20 | Custom Deluxe | 
| 1981 | Chevrolet | K20 | Deluxe | 
| 1980 - 1986 | Chevrolet | K20 | Scottsdale, Silverado | 
| 1981 - 1986 | Chevrolet | K20 Suburban | Custom | 
| 1980 | Chevrolet | K20 Suburban | Custom Deluxe | 
| 1981 | Chevrolet | K20 Suburban | Deluxe | 
| 1980 - 1986 | Chevrolet | K20 Suburban | Scottsdale, Silverado | 
| 1994 - 1995 | Chevrolet | K2500 | Base, WT | 
| 1988 - 1992 | Chevrolet | K2500 | Scottsdale | 
| 1988 - 1995 | Chevrolet | K2500 | Silverado, Cheyenne | 
| 1992 - 1995 | Chevrolet | K2500 Suburban | Base | 
| 1995 | Chevrolet | K2500 Suburban | LS, LT | 
| 1992 - 1994 | Chevrolet | K2500 Suburban | Silverado | 
| 1980 - 1981 | Chevrolet | K30 | Cheyenne | 
| 1981 - 1986 | Chevrolet | K30 | Custom | 
| 1980 | Chevrolet | K30 | Custom Deluxe | 
| 1981 | Chevrolet | K30 | Deluxe | 
| 1980 - 1986 | Chevrolet | K30 | Scottsdale, Silverado | 
| 1994 - 1995 | Chevrolet | K3500 | Base | 
| 1988 - 1992 | Chevrolet | K3500 | Scottsdale | 
| 1988 - 1995 | Chevrolet | K3500 | Silverado, Cheyenne | 
| 1981 - 1986 | Chevrolet | K5 Blazer | Custom | 
| 1980 | Chevrolet | K5 Blazer | Custom Deluxe, Cheyenne | 
| 1981 | Chevrolet | K5 Blazer | Deluxe | 
| 1984 | Chevrolet | K5 Blazer | Scottsdale | 
| 1980 - 1986 | Chevrolet | K5 Blazer | Silverado | 
| 1980 - 1983 | Chevrolet | Malibu | Classic | 
| 1980 | Chevrolet | Malibu | Classic Estate, Estate, Sport, Classic Sport | 
| 1980 - 1981 | Chevrolet | Malibu | Classic Landau, Base | 
| 1981 - 1988 | Chevrolet | Monte Carlo | Base | 
| 1983 | Chevrolet | Monte Carlo | CL | 
| 1980 - 1981 | Chevrolet | Monte Carlo | Landau | 
| 1986 - 1988 | Chevrolet | Monte Carlo | LS | 
| 1980 | Chevrolet | Monte Carlo | Sport | 
| 1983 - 1988 | Chevrolet | Monte Carlo | SS | 
| 1987 | Chevrolet | R10 | Custom Deluxe, Silverado, Scottsdale | 
| 1987 | Chevrolet | R10 Suburban | Custom Deluxe | 
| 1987 - 1988 | Chevrolet | R10 Suburban | Scottsdale, Silverado | 
| 1989 - 1991 | Chevrolet | R1500 Suburban | Scottsdale, Silverado | 
| 1988 | Chevrolet | R20 | Cheyenne | 
| 1987 - 1988 | Chevrolet | R20 | Custom Deluxe, Scottsdale, Silverado | 
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe | 
| 1987 - 1988 | Chevrolet | R20 Suburban | Scottsdale, Silverado | 
| 1989 - 1991 | Chevrolet | R2500 Suburban | Scottsdale, Silverado | 
| 1988 | Chevrolet | R30 | Cheyenne | 
| 1987 - 1988 | Chevrolet | R30 | Scottsdale, Silverado, Custom Deluxe | 
| 1989 - 1991 | Chevrolet | R3500 | Cheyenne, Silverado | 
| 1989 - 1990 | Chevrolet | R3500 | Scottsdale | 
| 1995 | Chevrolet | Tahoe | LT, LS, Base | 
| 1987 | Chevrolet | V10 | Scottsdale, Silverado, Custom Deluxe | 
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe | 
| 1987 - 1988 | Chevrolet | V10 Suburban | Silverado, Scottsdale | 
| 1989 - 1991 | Chevrolet | V1500 Suburban | Silverado, Scottsdale | 
| 1987 | Chevrolet | V20 | Custom Deluxe, Scottsdale, Silverado | 
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe | 
| 1987 - 1988 | Chevrolet | V20 Suburban | Silverado, Scottsdale | 
| 1989 - 1991 | Chevrolet | V2500 Suburban | Silverado, Scottsdale | 
| 1988 | Chevrolet | V30 | Cheyenne | 
| 1987 - 1988 | Chevrolet | V30 | Scottsdale, Silverado, Custom Deluxe | 
| 1989 - 1991 | Chevrolet | V3500 | Cheyenne, Silverado | 
| 1989 - 1990 | Chevrolet | V3500 | Scottsdale | 
| 1980 - 1986 | GMC | C1500 | Base, High Sierra, Sierra Classic | 
| 1980 | GMC | C1500 | Heavy Half | 
| 1994 - 1995 | GMC | C1500 | Sierra SL, Sierra Special, Sierra SLT | 
| 1988 - 1995 | GMC | C1500 | Sierra SLE | 
| 1988 - 1993 | GMC | C1500 | Sierra SLX, Sierra | 
| 1980 - 1982 | GMC | C1500 | Street Coupe, Sierra Grande | 
| 1980 - 1995 | GMC | C1500 Suburban | Base | 
| 1980 - 1986 | GMC | C1500 Suburban | Sierra Classic, High Sierra | 
| 1980 - 1982 | GMC | C1500 Suburban | Sierra Grande | 
| 1992 - 1995 | GMC | C1500 Suburban | SLE | 
| 1995 | GMC | C1500 Suburban | SLT | 
| 1980 - 1986 | GMC | C2500 | Sierra Classic, Base, High Sierra | 
| 1980 - 1982 | GMC | C2500 | Sierra Grande | 
| 1988 - 1995 | GMC | C2500 | Sierra SLE | 
| 1994 - 1995 | GMC | C2500 | Sierra SLT, Sierra SL | 
| 1988 - 1993 | GMC | C2500 | Sierra SLX, Sierra | 
| 1980 - 1995 | GMC | C2500 Suburban | Base | 
| 1980 - 1986 | GMC | C2500 Suburban | Sierra Classic, High Sierra | 
| 1980 - 1982 | GMC | C2500 Suburban | Sierra Grande | 
| 1992 - 1995 | GMC | C2500 Suburban | SLE | 
| 1995 | GMC | C2500 Suburban | SLT | 
| 1980 - 1986 | GMC | C3500 | High Sierra, Sierra Classic, Base | 
| 1980 - 1982 | GMC | C3500 | Sierra Grande | 
| 1988 - 1995 | GMC | C3500 | Sierra SLE | 
| 1994 - 1995 | GMC | C3500 | Sierra SLT, Sierra SL | 
| 1988 - 1993 | GMC | C3500 | Sierra SLX, Sierra | 
| 1981 - 1986 | GMC | Caballero | Amarillo | 
| 1980 - 1987 | GMC | Caballero | Base, Diablo | 
| 1981 | GMC | Caballero | Conquista, Royal Knight | 
| 1980 | GMC | Caballero | Laredo | 
| 1983 - 1984 | GMC | G1500 | Rally Custom | 
| 1980 - 1995 | GMC | G1500 | Rally, Rally STX, Vandura | 
| 1983 - 1984 | GMC | G2500 | Rally Custom | 
| 1980 - 1995 | GMC | G2500 | Rally, Rally STX, Vandura | 
| 1981 - 1988 | GMC | G3500 | Rally Custom | 
| 1980 - 1996 | GMC | G3500 | Vandura, Magnavan, Vandura Special, Rally, Rally Camper Special, Rally STX | 
| 1980 - 1991 | GMC | Jimmy | Base | 
| 1980 - 1985 | GMC | Jimmy | High Sierra | 
| 1980 - 1990 | GMC | Jimmy | Sierra Classic | 
| 1986 | GMC | Jimmy | Silverado | 
| 1980 - 1982 | GMC | Jimmy | Street Coupe, Sierra Grande | 
| 1980 - 1986 | GMC | K1500 | Base, High Sierra, Sierra Classic | 
| 1980 - 1982 | GMC | K1500 | Sierra Grande | 
| 1994 - 1995 | GMC | K1500 | Sierra SL, Sierra Special, Sierra SLT | 
| 1988 - 1995 | GMC | K1500 | Sierra SLE | 
| 1995 | GMC | K1500 | Sierra SLS | 
| 1993 | GMC | K1500 | Sierra Sport | 
| 1988 - 1993 | GMC | K1500 | Sierra, Sierra SLX | 
| 1980 - 1995 | GMC | K1500 Suburban | Base | 
| 1980 - 1986 | GMC | K1500 Suburban | High Sierra, Sierra Classic | 
| 1980 - 1982 | GMC | K1500 Suburban | Sierra Grande | 
| 1992 - 1995 | GMC | K1500 Suburban | SLE | 
| 1995 | GMC | K1500 Suburban | SLT | 
| 1980 - 1986 | GMC | K2500 | Sierra Classic, High Sierra, Base | 
| 1980 - 1982 | GMC | K2500 | Sierra Grande | 
| 1994 - 1995 | GMC | K2500 | Sierra SL, Sierra SLT | 
| 1988 - 1995 | GMC | K2500 | Sierra SLE | 
| 1988 - 1993 | GMC | K2500 | Sierra, Sierra SLX | 
| 1980 - 1995 | GMC | K2500 Suburban | Base | 
| 1980 - 1986 | GMC | K2500 Suburban | Sierra Classic, High Sierra | 
| 1980 - 1982 | GMC | K2500 Suburban | Sierra Grande | 
| 1992 - 1995 | GMC | K2500 Suburban | SLE | 
| 1995 | GMC | K2500 Suburban | SLT | 
| 1980 - 1986 | GMC | K3500 | Sierra Classic, High Sierra, Base | 
| 1980 - 1982 | GMC | K3500 | Sierra Grande | 
| 1994 - 1995 | GMC | K3500 | Sierra SL, Sierra SLT | 
| 1988 - 1995 | GMC | K3500 | Sierra SLE | 
| 1988 - 1993 | GMC | K3500 | Sierra, Sierra SLX | 
| 1987 | GMC | R1500 | High Sierra, Base, Sierra Classic | 
| 1987 - 1991 | GMC | R1500 Suburban | Base | 
| 1987 | GMC | R1500 Suburban | High Sierra | 
| 1987 - 1989 | GMC | R1500 Suburban | Sierra Classic | 
| 1990 | GMC | R1500 Suburban | SLE | 
| 1987 - 1989 | GMC | R2500 | High Sierra, Sierra Classic, Base | 
| 1987 - 1991 | GMC | R2500 Suburban | Base | 
| 1987 | GMC | R2500 Suburban | High Sierra | 
| 1987 - 1989 | GMC | R2500 Suburban | Sierra Classic | 
| 1990 | GMC | R2500 Suburban | SLE | 
| 1987 - 1991 | GMC | R3500 | Base | 
| 1987 - 1989 | GMC | R3500 | High Sierra, Sierra Classic | 
| 1990 - 1991 | GMC | R3500 | SLE | 
| 1987 | GMC | V1500 | Sierra Classic, High Sierra, Base | 
| 1987 - 1991 | GMC | V1500 Suburban | Base | 
| 1987 | GMC | V1500 Suburban | High Sierra | 
| 1987 - 1989 | GMC | V1500 Suburban | Sierra Classic | 
| 1990 | GMC | V1500 Suburban | SLE | 
| 1987 | GMC | V2500 | Sierra Classic, High Sierra, Base | 
| 1987 - 1991 | GMC | V2500 Suburban | Base | 
| 1987 | GMC | V2500 Suburban | High Sierra | 
| 1987 - 1989 | GMC | V2500 Suburban | Sierra Classic | 
| 1990 | GMC | V2500 Suburban | SLE | 
| 1987 - 1991 | GMC | V3500 | Base | 
| 1987 - 1989 | GMC | V3500 | Sierra Classic, High Sierra | 
| 1990 - 1991 | GMC | V3500 | SLE | 
| 1992 - 1995 | GMC | Yukon | Base, SLE | 
| 1993 | GMC | Yukon | GT | 
| 1995 | GMC | Yukon | SLT | 
| 1992 - 1994 | GMC | Yukon | Sport | 
| 1991 - 1992 | Oldsmobile | Custom Cruiser | Base | 
| 1980 | Oldsmobile | Cutlass | LS, Brougham, Base | 
| 1980 | Oldsmobile | Cutlass Calais | Base | 
| 1980 - 1982 | Oldsmobile | Cutlass Cruiser | Base | 
| 1980 | Oldsmobile | Cutlass Cruiser | Brougham | 
| 1980 | Oldsmobile | Cutlass Salon | Base, Brougham | 
| 1980 | Oldsmobile | Cutlass Supreme | Base, Brougham | 
| 1983 - 1986 | Pontiac | Bonneville | Brougham, Base | 
| 1984 - 1986 | Pontiac | Bonneville | LE | 
| 1980 - 1981 | Pontiac | Firebird | Esprit | 
| 1980 - 1992 | Pontiac | Firebird | Formula, Base, Trans Am | 
| 1982 - 1986 | Pontiac | Firebird | S/E | 
| 1989 - 1992 | Pontiac | Firebird | Trans Am GTA | 
| 1989 | Pontiac | Firebird | Trans Am GTA SE | 
| 1980 | Pontiac | Grand Am | Base | 
| 1980 | Pontiac | Grand LeMans | Base, LE, Safari | 
| 1980 - 1987 | Pontiac | Grand Prix | Base | 
| 1983 - 1987 | Pontiac | Grand Prix | Brougham | 
| 1984 - 1987 | Pontiac | Grand Prix | LE | 
| 1980 - 1983 | Pontiac | Grand Prix | LJ | 
| 1980 | Pontiac | Grand Prix | SJ | 
| 1980 | Pontiac | LeMans | Safari, Base | 
| 1983 - 1986 | Pontiac | Parisienne | Brougham, Base | 


























