Comp Cams 984-975 Dual Valve Spring
COMP Cams Valve Springs By Design
DUAL
- Manufactured from Super Clean wire to eliminate surface flaws and fissures
- Dual spring design capable of handling the increased lift in extreme stress applications
- Designed for superior strength and durability
- Adds valve train stability in race, street/strip and street performance applications
Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability. Dual Valve Springs are available for race, street/strip and performance applications. No matter what the application, the dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams® Dual Valve Springs exceed the expectations of today's engine builders and racers. Elite Race Dual Valve Springs are also available.
Specification
O.D. of Outer Dia. 1: 1.430
I.D of Outer Dia. 2: 1.070
I.D. of Inner Dia. 3: 0.697
Damper: Y
Seat Load: 121 @ 1.800
Open Load: 343 @ 1.200
Coil Bind: 1.150
Rate (Lbs./In.): 370
Titanium Retainer: 730
Steel Retainer: 1730, 740
Cup Seat: N/A
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1983 - 1989 | Buick | Century | Base |
| 1982 - 1989 | Buick | Century | Custom, Limited |
| 1985 - 1989 | Buick | Century | Estate Wagon |
| 1984 | Buick | Century | Estate, Olympia Limited |
| 1986 | Buick | Century | SS |
| 1983 - 1986 | Buick | Century | T-Type |
| 1980 - 1982 | Buick | Skylark | Base |
| 1983 - 1989 | Buick | Skylark | Custom |
| 1980 - 1989 | Buick | Skylark | Limited |
| 1980 - 1983 | Buick | Skylark | Sport |
| 1983 - 1984 | Buick | Skylark | T-Type |
| 1986 - 1987 | Buick | Somerset | Limited, Custom |
| 1986 | Buick | Somerset | T-Type |
| 1985 | Buick | Somerset Regal | Limited, Base |
| 1985 - 1989 | Chevrolet | Astro | Base, CS, CL |
| 1987 - 1989 | Chevrolet | Astro | LT |
| 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 |
| 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 |
| 1993 | Chevrolet | C2500 | 400 SS, Custom |
| 1988 - 1995 | Chevrolet | C2500 | Base, Cheyenne, Silverado |
| 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 |
| 1994 - 1995 | Chevrolet | C3500 | Base |
| 1988 - 1995 | Chevrolet | C3500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | C3500 | Scottsdale |
| 1988 | Chevrolet | Camaro | Base |
| 1982 - 1986 | Chevrolet | Camaro | Berlinetta |
| 1985 - 1990 | Chevrolet | Camaro | Iroc-Z |
| 1987 | Chevrolet | Camaro | LT |
| 1989 - 1992 | Chevrolet | Camaro | RS |
| 1982 - 1987 | Chevrolet | Camaro | Sport |
| 1982 - 1992 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition, RS Heritage Edition |
| 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace Car |
| 1987 - 1992 | Chevrolet | Caprice | Base |
| 1987 - 1993 | Chevrolet | Caprice | Classic |
| 1987 - 1990 | Chevrolet | Caprice | Classic Brougham, Classic LS Brougham |
| 1993 | Chevrolet | Caprice | Classic LS |
| 1991 - 1993 | Chevrolet | Caprice | Classic LTZ |
| 1982 - 1989 | Chevrolet | Celebrity | CL, Base |
| 1985 | Chevrolet | Celebrity | Classic |
| 1982 | Chevrolet | Celebrity | CS |
| 1985 - 1987 | Chevrolet | Celebrity | Estate |
| 1984 - 1989 | Chevrolet | Celebrity | Eurosport |
| 1980 - 1983 | Chevrolet | Citation | Base, X-11 |
| 1980 | Chevrolet | Citation | Custom, Club |
| 1984 - 1985 | Chevrolet | Citation II | X-11, Base |
| 1988 | Chevrolet | Corvette | 35th Anniversary Edition |
| 1987 - 1991 | Chevrolet | Corvette | Base |
| 1990 - 1991 | Chevrolet | Corvette | ZR-1 |
| 1987 | Chevrolet | El Camino | SS, Base |
| 1987 | Chevrolet | G10 | Bonaventure |
| 1987 - 1995 | Chevrolet | G10 | Chevy Van, Beauville, Sportvan |
| 1995 | Chevrolet | G20 | Base |
| 1987 - 1995 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan |
| 1987 - 1996 | Chevrolet | G30 | Beauville, Chevy Van, Sportvan, Hi-Cube |
| 1994 - 1995 | Chevrolet | K1500 | Base |
| 1988 - 1992 | Chevrolet | K1500 | Scottsdale |
| 1988 - 1995 | Chevrolet | K1500 | Silverado, Cheyenne |
| 1991 | Chevrolet | K1500 | Sport |
| 1990 - 1995 | Chevrolet | K1500 | WT |
| 1992 - 1995 | Chevrolet | K1500 Suburban | Base |
| 1995 | Chevrolet | K1500 Suburban | LS, LT |
| 1992 - 1994 | Chevrolet | K1500 Suburban | 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 |
| 1994 - 1995 | Chevrolet | K3500 | Base |
| 1988 - 1995 | Chevrolet | K3500 | Cheyenne, Silverado |
| 1988 - 1992 | Chevrolet | K3500 | Scottsdale |
| 1987 - 1989 | Chevrolet | LLV | Base |
| 1987 - 1988 | Chevrolet | Monte Carlo | LS, Base, SS |
| 1978 - 1980 | Chevrolet | Monza | 2+2 Sport, 2+2, 2+2 Spyder, Base |
| 1978 - 1979 | Chevrolet | Monza | S |
| 1978 | Chevrolet | Monza | Sport |
| 1980 | Chevrolet | Monza | Spyder |
| 1987 | Chevrolet | R10 | Silverado, Custom Deluxe, Scottsdale |
| 1987 | Chevrolet | R10 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | R10 Suburban | Silverado, Scottsdale |
| 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 | Silverado, Scottsdale |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987 - 1988 | Chevrolet | R30 | Silverado, Scottsdale, Custom Deluxe |
| 1989 - 1991 | Chevrolet | R3500 | Cheyenne, Silverado |
| 1989 - 1990 | Chevrolet | R3500 | Scottsdale |
| 1985 - 1989 | Chevrolet | S10 | Base, Durango, Sport, Tahoe |
| 1985 - 1988 | Chevrolet | S10 Blazer | Base, Sport, Tahoe |
| 1987 - 1988 | Chevrolet | S10 Blazer | High Country |
| 1995 | Chevrolet | Tahoe | LS, Base, LT |
| 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 | Silverado, Scottsdale, Custom Deluxe |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987 - 1988 | Chevrolet | V20 Suburban | Scottsdale, Silverado |
| 1989 - 1991 | Chevrolet | V2500 Suburban | Silverado, Scottsdale |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987 - 1988 | Chevrolet | V30 | Custom Deluxe, Silverado, Scottsdale |
| 1989 - 1991 | Chevrolet | V3500 | Cheyenne, Silverado |
| 1989 - 1990 | Chevrolet | V3500 | Scottsdale |
| 1987 - 1989 | Chrysler | Fifth Avenue | Base |
| 1987 - 1991 | Dodge | B150 | Base |
| 1987 - 1991 | Dodge | B250 | Base |
| 1987 - 1991 | Dodge | B350 | Base |
| 1987 - 1989 | Dodge | D100 | Custom |
| 1987 - 1991 | Dodge | D150 | Base |
| 1987 - 1988 | Dodge | D150 | Club Cab, Estacas, Adventurer |
| 1990 - 1991 | Dodge | D150 | S |
| 1987 - 1991 | Dodge | D250 | Prospector, Club Cab, Adventurer, Custom, Base |
| 1987 - 1991 | Dodge | D350 | Base, RD |
| 1990 - 1991 | Dodge | Dakota | S |
| 1989 | Dodge | Dakota | Shelby |
| 1989 - 1991 | Dodge | Dakota | Sport, SE, LE, Base |
| 1987 - 1989 | Dodge | Diplomat | SE, Salon |
| 1991 | Dodge | Ramcharger | Canyon Sport |
| 1987 - 1991 | Dodge | Ramcharger | Royal SE, Base |
| 1987 - 1989 | Dodge | W100 | Custom |
| 1987 - 1991 | Dodge | W150 | Base |
| 1990 - 1991 | Dodge | W150 | S |
| 1987 - 1991 | Dodge | W250 | Base |
| 1987 - 1991 | Dodge | W350 | Base |
| 1985 - 1989 | GMC | S15 | Base, High Sierra, Sierra Classic |
| 1987 | GMC | S15 | EL |
| 1986 - 1988 | GMC | S15 | Gypsy |
| 1985 - 1988 | GMC | S15 Jimmy | Base, Gypsy, Sierra Classic |
| 1985 | GMC | S15 Jimmy | High Sierra |
| 1988 | GMC | S15 Jimmy | Timberline |
| 1985 - 1987 | GMC | Safari | SL |
| 1987 - 1989 | GMC | Safari | SLT |
| 1985 - 1989 | GMC | Safari | SLX, SLE, Base |
| 1985 | Oldsmobile | Calais | 500 |
| 1985 - 1987 | Oldsmobile | Calais | Base, Supreme |
| 1986 | Oldsmobile | Calais | ES |
| 1986 - 1987 | Oldsmobile | Calais | GT |
| 1989 | Oldsmobile | Cutlass Calais | S |
| 1988 - 1989 | Oldsmobile | Cutlass Calais | SL, Base, GT, International |
| 1982 - 1989 | Oldsmobile | Cutlass Ciera | Base |
| 1982 - 1988 | Oldsmobile | Cutlass Ciera | Brougham, LS |
| 1984 - 1985 | Oldsmobile | Cutlass Ciera | Cruiser LS, Cruiser |
| 1983 - 1986 | Oldsmobile | Cutlass Ciera | ES |
| 1985 - 1989 | Oldsmobile | Cutlass Ciera | GT |
| 1985 - 1986 | Oldsmobile | Cutlass Ciera | Holiday |
| 1988 - 1989 | Oldsmobile | Cutlass Ciera | International |
| 1986 - 1988 | Oldsmobile | Cutlass Ciera | S |
| 1986 - 1989 | Oldsmobile | Cutlass Ciera | SL |
| 1989 | Oldsmobile | Cutlass Cruiser | Base |
| 1987 | Oldsmobile | Cutlass Cruiser | Brougham |
| 1988 | Oldsmobile | Cutlass Cruiser | Brougham LS |
| 1987 - 1988 | Oldsmobile | Cutlass Cruiser | LS |
| 1988 - 1989 | Oldsmobile | Cutlass Cruiser | SL |
| 1980 - 1984 | Oldsmobile | Omega | Base, Brougham |
| 1981 - 1984 | Oldsmobile | Omega | ES |
| 1983 | Oldsmobile | Omega | ESC |
| 1981 | Oldsmobile | Omega | Sport |
| 1980 - 1981 | Oldsmobile | Omega | SX |
| 1978 - 1980 | Oldsmobile | Starfire | Base, GT, SX, Firenza |
| 1988 | Plymouth | Gran Fury | Base |
| 1987 - 1989 | Plymouth | Gran Fury | Salon |
| 1982 - 1989 | Pontiac | 6000 | LE, Base |
| 1986 - 1988 | Pontiac | 6000 | SE |
| 1983 - 1989 | Pontiac | 6000 | STE |
| 1989 | Pontiac | 6000 | Touring, Special Edition |
| 1984 - 1985 | Pontiac | Fiero | Base |
| 1988 | Pontiac | Fiero | Formula |
| 1985 - 1988 | Pontiac | Fiero | GT |
| 1984 - 1987 | Pontiac | Fiero | SE |
| 1984 - 1988 | Pontiac | Fiero | Sport |
| 1986 - 1988 | Pontiac | Fiero | Value Leader |
| 1982 - 1987 | Pontiac | Firebird | Base, Trans Am |
| 1982 - 1986 | Pontiac | Firebird | S/E |
| 1985 - 1988 | Pontiac | Grand Am | Base |
| 1985 - 1989 | Pontiac | Grand Am | LE |
| 1986 - 1989 | Pontiac | Grand Am | SE |
| 1987 | Pontiac | Grand Prix | Brougham, Base, LE |
| 1978 - 1984 | Pontiac | Phoenix | Base |
| 1978 - 1983 | Pontiac | Phoenix | LJ, SJ |
| 1984 | Pontiac | Phoenix | SE, LE |
| 1978 - 1980 | Pontiac | Sunbird | Base |
| 1978 - 1979 | Pontiac | Sunbird | Safari |
Comp Cams 984-975 Dual Valve Spring
Sale price$12.95 USD