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COMP Cams Dual Valve Springs I.D. of Outer Dia.: 1.060"

COMP Cams 977-16

249-977-16

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COMP Cams Dual Valve Springs I.D. of Outer Dia.: 1.060" $123.99
Dual Valve Springs
  • I.D. of Outer Dia.: 1.060"
  • I.D. of Inner Dia.: .700"
  • Seat load: 155lbs @1.850''
  • Open load: 420lbs @1.250''
  • Coil bind: 1.195''
  • Rate: 441lbs/in
  • With damper
  • 16/pkg

  • COMP Cams 977-16 Details

    1.460'' Outside Diameter Dual Valve Springs

  • Dual Valve Spring
  • Coiled On the Most Advanced CNC Machines
  • 1 Year Limited Warranty

  • Specifications:

    Inside Diameter
    0.7 in.
    Coil Bind Height (in.)
    1.195
    Open Height (in.)
    1.25
    Outside Diameter
    1.460
    Installed Height (in.)
    1.85
    Installed Pressure (lbs.)
    155
    Open Pressure (lbs.)
    419
    Spring Rate (lbs./in.)
    441
    Spring Type
    Double
    Camshaft Type
    Hydraulic
    Camshaft Type
    Mechanical
    Position
    N/A
    Coated
    No
    Damper Spring Included
    Yes
    Inside Diameter of Inner Spring (in.)
    0.7
    Inside Diameter of Outer Spring (in.)
    1.06
    Number of Springs Per Valve
    Dual
    Outside Diameter of Outer Spring (in.)
    1.46
    Quantity
    Sold as a set of 16
    Spring Rate
    441 lbs./in.
    Valve Spring Style
    Standard
    Manufacturer's Part Number:
    977-16

    Comp Cams Dual Valve Springs are manufactured from Super Clean wire and undergo extensive quality control that delivers a valve spring assembly with superior strength, durability and valve train stability, suitable for any application. The dual spring design creates a stronger valve spring that can easily handle increased lift found in extreme stress applications. Comp Cams Dual Valve Springs are a top choice for today’s engine builders and racers.

    Features:

    • Superior strength, durability and valve train stability
    • Easily handles increased lift
    • Suitable for street or race applications

    Does COMP Cams 977-16 fit your vehicle?

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    1984-1986 FORD THUNDERBIRD

    • Liter: 5.0
    • SubModel: ELAN
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1988 CHEVROLET R30 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: CUSTOM DELUXE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1963 MERCURY METEOR

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1996-1998 GMC SAVANA 3500

    • Liter: 5.7
    • SubModel: SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 GMC R1500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1988-1993 GMC C1500 PICKUP

    • Liter: 4.3
    • SubModel: SIERRA SLX
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1981 CHEVROLET C20 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: CHEYENNE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 GMC CABALLERO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1992-1995 CHEVROLET K2500 SUBURBAN

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974 CHEVROLET BEL AIR

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1977 GMC K25 SUBURBAN

    • Liter: 4.8
    • SubModel: SIERRA CLASSIC
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977-1978 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: LT RALLY SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982 GMC K2500 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA GRANDE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1960 CHEVROLET K20 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1969 MERCURY COUGAR

    • CC: 4950
    • Liter: 5.0
    • SubModel: BOSS 302
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1965 GMC 1000 SERIES

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1973-1974 FORD RANCH WAGON

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1985-1993 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GT

    1965-1969 PONTIAC BEAUMONT

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1987-1992 PONTIAC FIREBIRD

    • Liter: 5.7
    • SubModel: TRANS AM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978-1981 FORD THUNDERBIRD

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: TOWN LANDAU
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1974 FORD GRAN TORINO

    • CC: 4949
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1996-1997 CHEVROLET C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: LT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1969 GMC K15/K1500 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1978 BUICK LESABRE

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1967-1968 GMC K15/K1500 SUBURBAN

    • CC: 5753
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 351
    • EngineType: V6 ( 5.7 L / 351 )

    1985-1987 OLDSMOBILE CUTLASS SUPREME

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1988-1993 GMC K2500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1963 FORD FAIRLANE

    • CC: 3622
    • Liter: 3.6
    • SubModel: BASE
    • CUI: 221
    • EngineType: V8 ( 3.6 L / 221 )

    1975-1978 GMC K25 PICKUP

    • Liter: 6.6
    • SubModel: SIERRA CLASSIC
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1973 GMC SPRINT

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1964 FORD GALAXIE 500

    • CC: 4727
    • Liter: 4.7
    • SubModel: SUNLINER
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1959 GMC PM153

    • EngineType: ALL
    • SubModel: ALL

    1978-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: MAGNAVAN

    1968 GMC C15/C1500 SUBURBAN

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977 CHEVROLET K30 PICKUP

    • Liter: 4.8
    • SubModel: SCOTTSDALE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1967 CHEVROLET K20 SUBURBAN

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1979-1980 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1981 CHEVROLET C20 PICKUP

    • Liter: 4.8
    • SubModel: CHEYENNE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1991-1992 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: BASE

    1965 CHEVROLET MALIBU

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1981-1986 CHEVROLET BLAZER K5

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1980 CHEVROLET CAMARO

    • CC: 5031
    • Liter: 5.0
    • SubModel: RALLY SPORT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1981-1982 CHEVROLET IMPALA

    • Liter: 4.4
    • SubModel: ESTATE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1981-1982 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: SPORTVAN

    1988-1998 CHEVROLET C1500 PICKUP

    • Liter: 4.3
    • SubModel: CHEYENNE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1975-1980 FORD GRANADA

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: GHIA
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1958 CHEVROLET DEL RAY

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1972 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1992-1993 CHEVROLET K2500 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 GMC G25/G2500 VAN

    • EngineType: ALL
    • SubModel: RALLY STX

    1991 CHEVROLET K1500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SPORT
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987 CHEVROLET CAMARO

    • CC: 5031
    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: Z28
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1980 CHEVROLET K20 PICKUP

    • Liter: 6.6
    • SubModel: SILVERADO
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976 CHEVROLET G30 VAN

    • Liter: 6.6
    • SubModel: CHEVY VAN
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1998 GMC YUKON

    • EngineType: ALL
    • SubModel: SLE

    1973 CHEVROLET C10 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1968 FORD GT40

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1987 CHEVROLET V10 PICKUP

    • Liter: 4.3
    • SubModel: SCOTTSDALE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1983-1984 PONTIAC FIREBIRD

    • Liter: 5.0
    • SubModel: TRANS AM
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET C10 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977-1978 CHEVROLET K20 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: SCOTTSDALE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1987 CHEVROLET G10 VAN

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: BONAVENTURE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1959-1961 CHEVROLET BROOKWOOD

    • CC: 5704
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 348
    • EngineType: V8 ( 5.7 L / 348 )

    1984 CHEVROLET IMPALA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1980 CHEVROLET IMPALA

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 GMC C1500 PICKUP

    • Liter: 5.7
    • SubModel: STREET COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1968-1969 CHEVROLET EL CAMINO

    • CC: 5736
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: CONCOURS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968-1969 PONTIAC STRATO-CHIEF

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1961-1963 GMC 1000 SERIES PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1980-1981 BUICK REGAL

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1987 GMC V1500 PICKUP

    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1978 FORD MUSTANG II

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.0
    • SubModel: MACH I
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1996-1998 GMC K3500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA SLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1986 PONTIAC PARISIENNE

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1968-1969 CHEVROLET BEL AIR

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )

    1981 CHEVROLET C10 SUBURBAN

    • EngineType: ALL
    • SubModel: DELUXE

    1978-1979 PONTIAC GRAND PRIX

    • Liter: 5.0
    • SubModel: SJ
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978 GMC C15 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1987-1988 CHEVROLET V30 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 GMC K1500 PICKUP

    • Fitment_Note: Requires Machining On Cylinder Heads~50-State Legal
    • Liter: 5.7
    • SubModel: SIERRA SL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1995 FORD F-150

    • Liter: 5.0
    • SubModel: EDDIE BAUER
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1981 CHEVROLET K20 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1973-1974 CHEVROLET C10 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET C20 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1972 CHEVROLET CHEVELLE

    • CC: 6555
    • Liter: 6.6
    • SubModel: MALIBU
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1983 CHEVROLET K10 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1996 GMC K1500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA SPECIAL
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 CHEVROLET CAPRICE

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: CHEVY VAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 CHEVROLET BLAZER K5

    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1962-1969 CHEVROLET BISCAYNE

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.3 L / 327 )

    1984-1985 FORD THUNDERBIRD

    • Liter: 5.0
    • SubModel: FILA
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1976 CHEVROLET NOVA

    • CC: 5031
    • Liter: 5.0
    • SubModel: CONCOURS
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1978-1979 BUICK CENTURY

    • Liter: 5.0
    • SubModel: SPECIAL
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET CAPRICE

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: CLASSIC
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1980 CHEVROLET G20 VAN

    • Liter: 6.6
    • SubModel: BEAUVILLE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980-1981 PONTIAC FIREBIRD

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )
    Items You Need
    Some parts are not legal for use in California or other states with similar laws / regulations