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COMP Cams 947-1

Hi-Tech Triple Valve Spring O.D.: 1.645"

COMP Cams 947-1

249-947-1

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COMP Cams 947-1 Hi-Tech Triple Valve Spring O.D.: 1.645" $22.99
Hi-Tech Triple Valve Spring
  • O.D.: 1.645"
  • I.D.: .635"
  • Seat Load: 338 lbs/in @ 2.000
  • Open Load: 849 lbs/in @1.250
  • Coil Bind: 1.145"
  • Rate: 681 lbs/in.
  • 1/pkg.

  • COMP Cams 947-1 Details

    Hi-Tech Triple Valve Springs

  • Proprietary Alloy
  • Maintain Higher Loads
  • 1 Year Limited Warranty

  • Specifications:

    Inside Diameter
    0.635 in.
    Coil Bind Height (in.)
    1.145
    Open Height (in.)
    1.25
    Outside Diameter
    1.645
    Installed Height (in.)
    2.05
    Installed Pressure (lbs.)
    304
    Spring Rate (lbs./in.)
    681
    Open Pressure (lbs.)
    848
    Camshaft Type
    Hydraulic
    Camshaft Type
    Mechanical
    Spring Type
    Triple
    Position
    N/A
    Coated
    No
    Damper Spring Included
    No
    Inside Diameter of Inner Spring (in.)
    0.635
    Inside Diameter of Outer Spring (in.)
    1.195
    Number of Springs Per Valve
    Triple
    Outside Diameter of Outer Spring (in.)
    1.645
    Quantity
    Sold individually
    Spring Rate
    681 lbs./in.
    Valve Spring Style
    Standard
    Manufacturer's Part Number:
    947-1

    Triple Valve Springs from Comp Cams deliver maximum strength, durability and valve train stability. Engineered from Super Clean wire and subjected to extensive quality control measures, the triple spring design creates a stronger valve spring that can easily handle the increased lift and extreme demands found in aggressive applications. Comp Cams Triple Valve Springs exceed the expectations of today's engine builders and racers!

    Does COMP Cams 947-1 fit your vehicle?

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    1958 CHEVROLET TRUCK

    • CC: 4638
    • Liter: 4.6
    • SubModel: 3600
    • CUI: 283
    • EngineType: V8 ( 4.6 L / 283 )

    1974 GMC C1500 PICKUP

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

    1973 FORD MUSTANG

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: GRANDE
    • Engine Vin: Q
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970-1971 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: BASE

    1966 DODGE CORONET

    • Liter: 4.5
    • SubModel: DELUXE
    • CUI: 273
    • EngineType: V8 ( 4.5 L / 273 )

    1968 DODGE MONACO

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1982 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28 INDIANAPOLIS 500 PACE CAR

    1975-1978 GMC C25/C2500 PICKUP

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

    1958 CHEVROLET BISCAYNE

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

    1960-1962 DODGE DART

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1975-1976 BRICKLIN SV-1

    • EngineType: ALL
    • SubModel: ALL

    1986-1989 EXCALIBUR PHAETON

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

    1975-1982 FORD E-100 ECONOLINE CLUB WAGON

    • Liter: 5.8
    • SubModel: CHATEAU
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1974 DODGE W100 PICKUP

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1977 PLYMOUTH GRAN FURY

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

    1975 FORD GRAN TORINO

    • Liter: 5.8
    • Aspiration: N
    • SubModel: ELITE
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1980 PLYMOUTH GRAN FURY

    • Liter: 5.9
    • SubModel: SALON
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968 GMC C25/C2500 SUBURBAN

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

    1961 DODGE PIONEER

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1971-1974 DODGE DART

    • CC: 5899
    • Liter: 5.9
    • SubModel: SWINGER
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1979-1980 CHEVROLET G30 VAN

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

    1982 FORD F-250

    • Liter: 5.8
    • SubModel: XLT LARIAT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975 PLYMOUTH GRAN FURY

    • EngineType: ALL
    • SubModel: SUBURBAN

    1988-1995 CHEVROLET C2500 PICKUP

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

    1972-1981 GMC G15/G1500 VAN

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

    1996 CHEVROLET C2500 PICKUP

    • EngineType: ALL
    • SubModel: CHEYENNE

    1980-1981 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA SPECIAL

    1990-1992 DODGE DAKOTA

    • CC: 5211
    • Liter: 5.2
    • SubModel: S
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1970 PLYMOUTH SATELLITE

    • CC: 6286
    • Liter: 6.3
    • SubModel: SPORT
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1975-1980 GMC C1500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1980-1981 FORD E-250 ECONOLINE CLUB WAGON

    • Liter: 5.8
    • Aspiration: N
    • SubModel: CUSTOM
    • Engine Vin: G
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1982 CHEVROLET K10 SUBURBAN

    • EngineType: ALL
    • SubModel: SILVERADO

    1995 FORD F-250

    • Liter: 7.5
    • SubModel: XL
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1980 CHEVROLET MALIBU

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

    1969-1970 FORD GALAXIE 500

    • CC: 7030
    • Fitment_Note: 50-State Legal~Special Seals Available
    • Liter: 7.0
    • SubModel: XL
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1971-1973 FORD THUNDERBIRD

    • CC: 7030
    • Fitment_Note: 50-State Legal~Special Seals Available
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1975 PLYMOUTH DUSTER

    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1986 GMC C3500 PICKUP

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

    1968 CHECKER MARATHON

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

    1968-1970 PLYMOUTH ROAD RUNNER

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1969-1971 CHEVROLET CHEVELLE

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

    1973 CHEVROLET EL CAMINO

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

    1977-1978 GMC K35 PICKUP

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

    1980 CHEVROLET MALIBU

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

    1982 BUICK LESABRE

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

    1981 CHEVROLET CAMARO

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

    1975-1980 CHEVROLET C10 SUBURBAN

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1977-1978 DODGE W300 PICKUP

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

    1977-1979 GMC K1500 PICKUP

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

    1972 CHEVROLET KINGSWOOD

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

    1979-1982 GMC K3500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA GRANDE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1974 DODGE DART

    • CC: 5899
    • Liter: 5.9
    • SubModel: CUSTOM
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1979-1980 GMC G25/G2500 VAN

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

    1987 CHEVROLET R10 PICKUP

    • Liter: 6.2
    • SubModel: CUSTOM DELUXE
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1978-1979 FORD THUNDERBIRD

    • Liter: 5.8
    • Aspiration: N
    • SubModel: TOWN LANDAU
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1992-1993 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: BASE

    1971 FORD RANCHERO

    • CC: 7030
    • Fitment_Note: 50-State Legal~Special Seals Available
    • Liter: 7.0
    • Aspiration: N
    • SubModel: 500
    • Engine Vin: P
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1973-1974 GMC K1500 PICKUP

    • CC: 7439
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971-1974 DODGE W200 PICKUP

    • CC: 5900
    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1975 GMC SPRINT

    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1974 CHEVROLET EL CAMINO

    • Liter: 7.4
    • SubModel: CUSTOM
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1973 CHEVROLET MALIBU

    • CC: 5737
    • Liter: 5.7
    • SubModel: ESTATE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 FORD GRAN TORINO

    • CC: 7539
    • Fitment_Note: 50-State Legal~Special Seals Available
    • Liter: 7.5
    • Aspiration: N
    • SubModel: ELITE
    • Engine Vin: A
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1979 FORD F-100

    • Fitment_Note: 50-State Legal~Special Seals Available
    • Liter: 7.5
    • SubModel: RANGER
    • CUI: 460
    • EngineType: V8 ( 7.5 L / 460 )

    1960-1963 PLYMOUTH FLEET SPECIAL

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1968 DODGE DART

    • CC: 5572
    • Liter: 5.6
    • SubModel: 270
    • CUI: 340
    • EngineType: V8 ( 5.6 L / 340 )

    1992-1996 FORD E-350 ECONOLINE CLUB WAGON

    • Liter: 5.8
    • SubModel: CHATEAU HD
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1974 DODGE CORONET

    • CC: 5900
    • Liter: 5.9
    • SubModel: CRESTWOOD
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1977-1978 GMC C15 SUBURBAN

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

    1979-1980 GMC K1500 SUBURBAN

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

    1970 CHEVROLET BEL AIR

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1971 DODGE CORONET

    • CC: 6286
    • Liter: 6.3
    • SubModel: CRESTWOOD
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1975-1976 DODGE CORONET

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1982-1986 GMC K3500 PICKUP

    • Liter: 6.2
    • SubModel: HIGH SIERRA
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1968 GMC C25/C2500 SUBURBAN

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

    1977-1979 MERCURY COUGAR

    • Liter: 5.8
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1974 DODGE DART

    • EngineType: ALL
    • SubModel: SPORT 360

    1970 CHEVROLET CAPRICE

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1971 PLYMOUTH FURY

    • CC: 7212
    • Liter: 7.2
    • SubModel: CUSTOM
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1983 CHRYSLER FIFTH AVENUE

    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8 ( 5.2 L / 318 )

    1979-1980 CHEVROLET MALIBU

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

    1976 DODGE DART

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1974 DODGE B200 VAN

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

    1977-1978 GMC K15 SUBURBAN

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

    1991-1993 DODGE RAMCHARGER

    • EngineType: ALL
    • SubModel: CANYON SPORT

    1985 CHEVROLET K20 PICKUP

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

    1968-1969 CHEVROLET CAMARO

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

    1967-1968 DODGE CHARGER

    • CC: 7211
    • Liter: 7.2
    • SubModel: BASE
    • CUI: 440
    • EngineType: V8 ( 7.2 L / 440 )

    1960-1967 PLYMOUTH FURY

    • CC: 6286
    • Liter: 6.3
    • SubModel: BASE
    • CUI: 383
    • EngineType: V8 ( 6.3 L / 383 )

    1983-1984 CHEVROLET C20 SUBURBAN

    • EngineType: ALL
    • SubModel: ALL

    1976-1979 CHEVROLET C30 PICKUP

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

    1988-1992 CHEVROLET K1500 PICKUP

    • Liter: 6.2
    • SubModel: SCOTTSDALE
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )

    1977-1979 BUICK CENTURY

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

    1976 DODGE CHARGER

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

    1971-1973 MERCURY MARQUIS

    • CC: 5753
    • Liter: 5.8
    • Aspiration: N
    • SubModel: BROUGHAM
    • Engine Vin: H
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1976 CHEVROLET K10 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 CHEVROLET LAGUNA

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1989 DODGE DAKOTA

    • EngineType: ALL
    • SubModel: SHELBY

    1994-1996 DODGE RAM 1500

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1987 GMC V1500 PICKUP

    • Liter: 6.2
    • SubModel: SIERRA CLASSIC
    • CUI: 379
    • EngineType: V8 ( 6.2 L / 379 )
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