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Proform 66518BC

Aluminum Harmonic Balancer Cover for Small Block Chevy with 8" Balancer in Blue

Proform 66518BC

778-66518BC

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Proform 66518BC Aluminum Harmonic Balancer Cover for Small Block Chevy with 8" Balancer in Blue $31.99
Aluminum Harmonic Balancer Cover
  • Small Block Chevy
  • 8"
  • Blue

  • Proform 66518BC Details

    8" Harmonic Balancer Covers

  • Patented Cover Offers Improved Readability
  • More Stable Top Dead Center Indication
  • Better Timing Accuracy

  • Specifications:

    Degree Markings
    Yes
    Cover Material
    Aluminum
    Cover Finish
    Blue
    Harmonic Balancer Diameter (in.)
    8
    Quantity
    Sold individually
    Degree Marking Range
    60 BTDC to 0 TDC-A
    Manufacturer's Part Number:
    66518BC

    These Proform Small Block Chevy Harmonic Balancer Covers offer improved readability, more stable Top Dead Center indication and timing accuracy, and enhanced appearance for a previously ignored under hood area. They are available in many vivid finishes, resulting in the appearance of a more expensive balancer. Each cover is distinctively marked with Top Dead Center and the proper timing degrees.

    Using this cover improves timing accuracy because over time the etched outer inertia ring of a typical harmonic balancer may slip in relation to the center hub of the balancer. This causes the etched markings to provide an inaccurate indication of Top Dead Center for the #1 piston. Mounted directly through the center hub, this cover eliminates the effect of any outer inertia ring slippage. Made from high quality aluminum with a durable long lasting finish.

    Does Proform 66518BC fit your vehicle?

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    Aspiration

    1961-1966 CHEVROLET C10 PICKUP

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

    1965 CHEVROLET CHEVELLE

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

    1987 CHEVROLET R10 SUBURBAN

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

    1979-1980 CHEVROLET G20 VAN

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

    1975-1976 CHEVROLET MONZA

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V8 ( 4.3 L / 262 )

    1967-1968 GMC C35/C3500 PICKUP

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

    1968 CHEVROLET CHEVY II

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: NOVA
    • Engine Vin: ME
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1984-1985 CHEVROLET G10 VAN

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

    1989-1990 CHEVROLET CAPRICE

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

    1969 GMC C35/C3500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1961-1966 CHEVROLET SUBURBAN

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

    1975 CHEVROLET P10 VAN

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

    1984-1989 CHEVROLET G20 VAN

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

    1977-1978 GMC K25 PICKUP

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

    1979-1982 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: BASE

    1980 GMC C2500 SUBURBAN

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

    1975 CHEVROLET NOVA

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

    1974 CHEVROLET MALIBU

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

    1968-1969 GMC P25/P2500 VAN

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

    1985 CHEVROLET C20 PICKUP

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

    1972 CHEVROLET G20 VAN

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

    1986 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1971 CHEVROLET K20 PICKUP

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

    1986 CHEVROLET C10 SUBURBAN

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

    1980 CHEVROLET K20 PICKUP

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

    1971 GMC G35/G3500 VAN

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

    1979 GMC K1500 SUBURBAN

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

    1968 CHEVROLET CAMARO

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

    1983-1984 CHEVROLET C20 PICKUP

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

    1974 CHEVROLET C10 PICKUP

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

    1985 CHEVROLET C10 SUBURBAN

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

    1968 CHEVROLET BEL AIR

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: ME
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1972-1973 GMC G15/G1500 VAN

    • Liter: 5.0
    • SubModel: RALLY
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1987 CHEVROLET P30 VAN

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

    1973 CHEVROLET LAGUNA

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

    1973 GMC JIMMY

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

    1977-1986 GMC G15/G1500 VAN

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

    1968 CHEVROLET CHEVELLE

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: MALIBU
    • Engine Vin: ME
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1988-1989 CHEVROLET C3500 PICKUP

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

    1970 CHEVROLET EL CAMINO

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

    1977-1978 GMC K25 SUBURBAN

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

    1989-1990 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC BROUGHAM

    1972-1973 CHEVROLET K20 SUBURBAN

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

    1968 GMC C15/C1500 SUBURBAN

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

    1982 CHEVROLET G10 VAN

    • EngineType: ALL
    • SubModel: BASE

    1985 CHEVROLET C20 SUBURBAN

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

    1977-1978 CHEVROLET K20 PICKUP

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

    1971 GMC C35/C3500 PICKUP

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

    1987-1989 CHEVROLET G10 VAN

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

    1973 GMC K25/K2500 SUBURBAN

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

    1984 CHEVROLET C10 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: SCOTTSDALE
    • Engine Vin: F
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1982 CHEVROLET K30 PICKUP

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

    1986 CHEVROLET K10 PICKUP

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

    1988 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: BASE

    1990-1995 CHEVROLET G30 VAN

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

    1970 CHEVROLET G20 VAN

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

    1977-1978 CHEVROLET K5 BLAZER

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

    1974-1986 GMC JIMMY

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

    1973 CHEVROLET NOVA

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

    1975-1978 GMC K15 SUBURBAN

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

    1977-1978 CHEVROLET G20 VAN

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

    1967 GMC K25/K2500 PICKUP

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

    1973-1974 GMC C15/C1500 SUBURBAN

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

    1971 CHEVROLET EL CAMINO

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: P
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1969 GMC K15/K1500 SUBURBAN

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

    1975-1978 GMC K25 SUBURBAN

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

    1962-1967 CHEVROLET CHEVY II

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

    1977-1978 CHEVROLET CAMARO

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

    1991-1992 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC

    1977-1978 GMC C25 SUBURBAN

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

    1967 GMC G15/G1500 VAN

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

    1973 CHEVROLET MONTE CARLO

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

    1981-1993 CHEVROLET G10 VAN

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

    1975 CHEVROLET NOVA

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

    1979-1980 GMC G35/G3500 VAN

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

    1977-1979 GMC G25/G2500 VAN

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

    1976 CHEVROLET IMPALA

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

    1980 CHEVROLET C10 PICKUP

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

    1975-1976 CHEVROLET K5 BLAZER

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

    1979 CHEVROLET MONTE CARLO

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

    1982 CHEVROLET G30 VAN

    • EngineType: ALL
    • SubModel: BASE

    1974 CHEVROLET G20 VAN

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

    1969 CHEVROLET CAPRICE

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

    1988 CHEVROLET P30 VAN

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

    1973 GMC K25/K2500 PICKUP

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

    1968-1969 CHEVROLET P20 VAN

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

    1985 CHEVROLET K20 SUBURBAN

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

    1981-1983 CHEVROLET IMPALA

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

    1979-1986 GMC C2500 PICKUP

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

    1975-1986 GMC K1500 PICKUP

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

    1976 CHEVROLET NOVA

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

    1979-1986 GMC K2500 SUBURBAN

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

    1994-1995 CHEVROLET K1500 PICKUP

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

    1969 GMC C15/C1500 SUBURBAN

    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: E
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1968 CHEVROLET CAMARO

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

    1979 CHEVROLET K20 SUBURBAN

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

    1972 CHEVROLET BROOKWOOD

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

    1982-1985 GMC K1500 SUBURBAN

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

    1981 GMC C1500 PICKUP

    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: G
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1984 CHEVROLET IMPALA

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