Comp Cams 984-975 Dual Valve Spring
COMP Cams Valve Springs By Design
DUAL
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
| 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 |
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
At the heart of every product lies a unique story, driven by our passion for quality and innovation. Each item enhances your everyday life and sparks joy.
