Comp Cams ROCKER ARMS CS TW 1.6 7/16 UTRA PRO MAG
Ultra Pro MagnumT Roller Rocker Arms 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. 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.
- 7/16" Stud - 1.6 Ratio - Chevy V8 265-400 (SBC) with Twisted Wedge Heads. Designed for intake valves only. Twisted Wedge heads use standard SBC exhaust valve rockers.
- 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.
- Lifetime Warranty - So strong that we guarantee the rocker bodies against breakage for life. For use with up to 850 lbs of open spring pressure.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1980 | Buick | Century | Estate, Limited, Base, Sport |
| 1991 - 1993 | Buick | Commercial Chassis | Base |
| 1980 | Buick | Regal | Base, Sport, Limited |
| 1992 - 1993 | Buick | Roadmaster | Base, Limited |
| 1991 - 1993 | Buick | Roadmaster | Estate Wagon |
| 1990 - 1992 | Cadillac | Brougham | Base, d'Elegance |
| 1992 - 1993 | Cadillac | Commercial Chassis | Base, Brougham |
| 1980 | Cadillac | Eldorado | Cabriolet, Biarritz, Base |
| 1993 | Cadillac | Fleetwood | Base, Brougham |
| 1980 | Cadillac | Seville | Base, Elegante |
| 1980 - 1982 | Checker | Marathon | Base, Deluxe |
| 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 |
| 1994 | Chevrolet | Blazer | Silverado Sport, Base |
| 1980 - 1981 | Chevrolet | C10 | Cheyenne |
| 1980 | Chevrolet | C10 | Custom Deluxe, Big Ten |
| 1981 | Chevrolet | C10 | Deluxe |
| 1980 - 1986 | Chevrolet | C10 | Silverado, Scottsdale, Custom |
| 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 - 1995 | Chevrolet | C1500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | C1500 | Scottsdale |
| 1990 - 1995 | Chevrolet | C1500 | WT |
| 1992 - 1995 | Chevrolet | C1500 Suburban | Base |
| 1995 | Chevrolet | C1500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | C1500 Suburban | Silverado |
| 1986 | Chevrolet | C20 | Base |
| 1980 - 1986 | Chevrolet | C20 | Cheyenne, Scottsdale, Silverado |
| 1981 - 1986 | Chevrolet | C20 | Custom |
| 1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 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 | LT, LS |
| 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 - 1995 | Chevrolet | C3500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | C3500 | Scottsdale |
| 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 |
| 1992 | Chevrolet | Camaro | RS Heritage Edition, Z28 Heritage Edition |
| 1981 - 1987 | Chevrolet | Camaro | Sport |
| 1980 - 1992 | Chevrolet | Camaro | Z28 |
| 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 |
| 1981 - 1986 | Chevrolet | El Camino | Conquista |
| 1980 - 1981 | Chevrolet | El Camino | Royal Knight |
| 1980 - 1987 | Chevrolet | El Camino | SS, Base |
| 1983 | Chevrolet | G10 | Base |
| 1980 - 1995 | Chevrolet | G10 | Beauville, Chevy Van, Sportvan |
| 1981 - 1987 | Chevrolet | G10 | Bonaventure |
| 1995 | Chevrolet | G20 | Base |
| 1983 - 1984 | Chevrolet | G20 | Bonaventure |
| 1980 - 1981 | Chevrolet | G20 | Nomad |
| 1980 - 1995 | Chevrolet | G20 | Sportvan, Beauville, Chevy Van |
| 1983 - 1984 | Chevrolet | G30 | Bonaventure |
| 1980 - 1996 | Chevrolet | G30 | Chevy Van, Beauville, Sportvan, Hi-Cube |
| 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 - 1995 | Chevrolet | K2500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | K2500 | Scottsdale |
| 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 | Silverado, Scottsdale |
| 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 - 1981 | Chevrolet | Malibu | Base, Classic Landau |
| 1980 - 1983 | Chevrolet | Malibu | Classic |
| 1980 | Chevrolet | Malibu | Classic Estate, Sport, Classic Sport, Estate |
| 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, Scottsdale, Silverado |
| 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 | Silverado, Custom Deluxe, Scottsdale |
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | R20 Suburban | Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | R2500 Suburban | Scottsdale, Silverado |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987 - 1988 | Chevrolet | R30 | Silverado, Scottsdale, Custom Deluxe |
| 1989 - 1990 | Chevrolet | R3500 | Scottsdale |
| 1989 - 1991 | Chevrolet | R3500 | Silverado, Cheyenne |
| 1995 | Chevrolet | Tahoe | LT, LS, Base |
| 1987 | Chevrolet | V10 | Custom Deluxe, Silverado, Scottsdale |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V10 Suburban | Scottsdale, Silverado |
| 1989 - 1991 | Chevrolet | V1500 Suburban | Scottsdale, Silverado |
| 1987 | Chevrolet | V20 | Silverado, Custom Deluxe, Scottsdale |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V20 Suburban | Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | V2500 Suburban | Scottsdale, Silverado |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987 - 1988 | Chevrolet | V30 | Custom Deluxe, Scottsdale, Silverado |
| 1989 - 1990 | Chevrolet | V3500 | Scottsdale |
| 1989 - 1991 | Chevrolet | V3500 | Silverado, Cheyenne |
| 1980 - 1986 | GMC | C1500 | Base, High Sierra, Sierra Classic |
| 1980 | GMC | C1500 | Heavy Half |
| 1980 - 1982 | GMC | C1500 | Sierra Grande, Street Coupe |
| 1994 - 1995 | GMC | C1500 | Sierra SL, Sierra SLT, Sierra Special |
| 1988 - 1995 | GMC | C1500 | Sierra SLE |
| 1988 - 1993 | GMC | C1500 | Sierra SLX, Sierra |
| 1980 - 1995 | GMC | C1500 Suburban | Base |
| 1980 - 1986 | GMC | C1500 Suburban | High Sierra, Sierra Classic |
| 1980 - 1982 | GMC | C1500 Suburban | Sierra Grande |
| 1992 - 1995 | GMC | C1500 Suburban | SLE |
| 1995 | GMC | C1500 Suburban | SLT |
| 1980 - 1986 | GMC | C2500 | High Sierra, Base, Sierra Classic |
| 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 | High Sierra, Sierra Classic |
| 1980 - 1982 | GMC | C2500 Suburban | Sierra Grande |
| 1992 - 1995 | GMC | C2500 Suburban | SLE |
| 1995 | GMC | C2500 Suburban | SLT |
| 1980 - 1986 | GMC | C3500 | Sierra Classic, Base, High Sierra |
| 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, Sierra SLX |
| 1981 - 1986 | GMC | Caballero | Amarillo |
| 1981 | GMC | Caballero | Conquista, Royal Knight |
| 1980 - 1987 | GMC | Caballero | Diablo, Base |
| 1980 | GMC | Caballero | Laredo |
| 1983 - 1984 | GMC | G1500 | Rally Custom |
| 1980 - 1995 | GMC | G1500 | Rally STX, Vandura, Rally |
| 1983 - 1984 | GMC | G2500 | Rally Custom |
| 1980 - 1995 | GMC | G2500 | Rally STX, Vandura, Rally |
| 1981 - 1988 | GMC | G3500 | Rally Custom |
| 1980 - 1996 | GMC | G3500 | Rally, Rally Camper Special, Vandura, Magnavan, Rally STX, Vandura Special |
| 1980 - 1991 | GMC | Jimmy | Base |
| 1980 - 1985 | GMC | Jimmy | High Sierra |
| 1980 - 1990 | GMC | Jimmy | Sierra Classic |
| 1980 - 1982 | GMC | Jimmy | Sierra Grande, Street Coupe |
| 1986 | GMC | Jimmy | Silverado |
| 1980 - 1986 | GMC | K1500 | Base, Sierra Classic, High Sierra |
| 1980 - 1982 | GMC | K1500 | Sierra Grande |
| 1988 - 1995 | GMC | K1500 | Sierra SLE |
| 1995 | GMC | K1500 | Sierra SLS |
| 1994 - 1995 | GMC | K1500 | Sierra SLT, Sierra SL, Sierra Special |
| 1993 | GMC | K1500 | Sierra Sport |
| 1988 - 1993 | GMC | K1500 | Sierra, Sierra SLX |
| 1980 - 1995 | GMC | K1500 Suburban | Base |
| 1980 - 1986 | GMC | K1500 Suburban | Sierra Classic, High Sierra |
| 1980 - 1982 | GMC | K1500 Suburban | Sierra Grande |
| 1992 - 1995 | GMC | K1500 Suburban | SLE |
| 1995 | GMC | K1500 Suburban | SLT |
| 1980 - 1986 | GMC | K2500 | Base, High Sierra, Sierra Classic |
| 1980 - 1982 | GMC | K2500 | Sierra Grande |
| 1988 - 1995 | GMC | K2500 | Sierra SLE |
| 1994 - 1995 | GMC | K2500 | Sierra SLT, Sierra SL |
| 1988 - 1993 | GMC | K2500 | Sierra, Sierra SLX |
| 1980 - 1995 | GMC | K2500 Suburban | Base |
| 1980 - 1986 | GMC | K2500 Suburban | High Sierra, Sierra Classic |
| 1980 - 1982 | GMC | K2500 Suburban | Sierra Grande |
| 1992 - 1995 | GMC | K2500 Suburban | SLE |
| 1995 | GMC | K2500 Suburban | SLT |
| 1980 - 1986 | GMC | K3500 | Base, Sierra Classic, High Sierra |
| 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 SLX, Sierra |
| 1987 | GMC | R1500 | Sierra Classic, High Sierra, Base |
| 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 | High Sierra, Base, Sierra Classic |
| 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 | Base, Sierra Classic, High Sierra |
| 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 | Base, Brougham, LS |
| 1980 | Oldsmobile | Cutlass Calais | Base |
| 1980 - 1982 | Oldsmobile | Cutlass Cruiser | Base |
| 1980 - 1981 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1980 | Oldsmobile | Cutlass Salon | Base, Brougham |
| 1980 | Oldsmobile | Cutlass Supreme | Base, Brougham |
| 1983 - 1986 | Pontiac | Bonneville | Base, Brougham |
| 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 | Base, Safari |
| 1983 - 1986 | Pontiac | Parisienne | Base, Brougham |
Comp Cams ROCKER ARMS CS TW 1.6 7/16 UTRA PRO MAG
Sale price$272.15 USD