KYB Excel-G Rear Shock Absorber — Fits 1973-1981 Buick Century, 1973 Buick Apollo, 1986-1988 Avanti II

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About KYB

KYB engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full KYB lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Restore Original Ride Control with KYB Excel-G Rear Shock Absorbers

Don't compromise on your vehicle's handling and safety. The KYB Excel-G Rear Shock Absorber is engineered to bring your car back to its original factory-new ride quality and performance. Designed as a direct replacement for specific makes and models, these shocks are built to the same exacting standards as original equipment (OE) parts.

Key Features and Benefits:

  • OE Performance Restoration: Calibrated to restore your vehicle's original handling, stability, and comfort.
  • Durable Twin-Tube Design: Features a robust twin-tube construction for long-lasting performance.
  • Nitrogen Gas Charged: Helps prevent fluid aeration and ensures consistent damping performance, even under demanding conditions.
  • High-Quality Components: Built with the same premium materials and manufacturing processes used for KYB's global OE products.
  • Exact Fitment: Specifically designed for seamless installation on 1973 Buick Apollo, 1973-1981 Buick Century, and 1986-1988 Avanti II models.

KYB's Excel-G shocks are classified as OEA (Original Equipment for the Aftermarket), meaning they are manufactured on the same OE assembly lines with the same quality components. This ensures that when you install KYB Excel-G shocks, you're not just replacing a part – you're restoring the intended driving dynamics of your vehicle. Experience a smoother, more controlled ride and enhanced safety. Upgrade your suspension with the trusted quality of KYB.

For unparalleled ride restoration, choose KYB Excel-G Rear Shock Absorbers from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1987-1988 Avanti II Base
1973 Buick Apollo Base
1973-1975 Buick Century Luxus
1973-1977 Buick Century Base
1975-1979 Buick Century Special
1975-1979 Buick Century Custom
1976 Buick Century Indianapolis 500 Pace Car
1978-1981 Buick Century Sport
1978-1981 Buick Century Limited
1980-1981 Buick Century Base
1980-1981 Buick Century Estate
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
1971-1983 Buick Estate Wagon Base
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1985 Buick LeSabre Collector's Edition
1985-1986 Buick LeSabre Custom
1985-1986 Buick LeSabre Limited
1985-1990 Buick LeSabre Estate Wagon
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1991-1995 Buick Roadmaster Estate Wagon
1992-1995 Buick Roadmaster Base
1992-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Collector's Edition
1996 Buick Roadmaster Estate Wagon Collector's Edition
1996 Buick Roadmaster Limited Collector's Edition
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968-1969 Buick Special Base
1970-1972 Buick Sportwagon Base
1971-1975 Chevrolet Bel Air Base
1971-1972 Chevrolet Biscayne Base
1971-1972 Chevrolet Brookwood Base
1971-1972 Chevrolet Caprice Base
1973-1974 Chevrolet Caprice Estate
1973-1996 Chevrolet Caprice Classic
1975 Chevrolet Caprice Estate Wagon
1975-1976 Chevrolet Caprice Classic Sport
1976-1978 Chevrolet Caprice Classic Estate
1976-1981 Chevrolet Caprice Classic Landau
1979-1980 Chevrolet Caprice Classic Sport
1981-1982 Chevrolet Caprice Classic Estate
1986-1990 Chevrolet Caprice Classic Brougham
1986-1992 Chevrolet Caprice Base
1987-1990 Chevrolet Caprice Classic LS Brougham

…and 168 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About KYB

KYB engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full KYB lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Restore Original Ride Control with KYB Excel-G Rear Shock Absorbers

Don't compromise on your vehicle's handling and safety. The KYB Excel-G Rear Shock Absorber is engineered to bring your car back to its original factory-new ride quality and performance. Designed as a direct replacement for specific makes and models, these shocks are built to the same exacting standards as original equipment (OE) parts.

Key Features and Benefits:

  • OE Performance Restoration: Calibrated to restore your vehicle's original handling, stability, and comfort.
  • Durable Twin-Tube Design: Features a robust twin-tube construction for long-lasting performance.
  • Nitrogen Gas Charged: Helps prevent fluid aeration and ensures consistent damping performance, even under demanding conditions.
  • High-Quality Components: Built with the same premium materials and manufacturing processes used for KYB's global OE products.
  • Exact Fitment: Specifically designed for seamless installation on 1973 Buick Apollo, 1973-1981 Buick Century, and 1986-1988 Avanti II models.

KYB's Excel-G shocks are classified as OEA (Original Equipment for the Aftermarket), meaning they are manufactured on the same OE assembly lines with the same quality components. This ensures that when you install KYB Excel-G shocks, you're not just replacing a part – you're restoring the intended driving dynamics of your vehicle. Experience a smoother, more controlled ride and enhanced safety. Upgrade your suspension with the trusted quality of KYB.

For unparalleled ride restoration, choose KYB Excel-G Rear Shock Absorbers from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1987-1988 Avanti II Base
1973 Buick Apollo Base
1973-1975 Buick Century Luxus
1973-1977 Buick Century Base
1975-1979 Buick Century Special
1975-1979 Buick Century Custom
1976 Buick Century Indianapolis 500 Pace Car
1978-1981 Buick Century Sport
1978-1981 Buick Century Limited
1980-1981 Buick Century Base
1980-1981 Buick Century Estate
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
1971-1983 Buick Estate Wagon Base
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1985 Buick LeSabre Collector's Edition
1985-1986 Buick LeSabre Custom
1985-1986 Buick LeSabre Limited
1985-1990 Buick LeSabre Estate Wagon
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1991-1995 Buick Roadmaster Estate Wagon
1992-1995 Buick Roadmaster Base
1992-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Collector's Edition
1996 Buick Roadmaster Estate Wagon Collector's Edition
1996 Buick Roadmaster Limited Collector's Edition
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968-1969 Buick Special Base
1970-1972 Buick Sportwagon Base
1971-1975 Chevrolet Bel Air Base
1971-1972 Chevrolet Biscayne Base
1971-1972 Chevrolet Brookwood Base
1971-1972 Chevrolet Caprice Base
1973-1974 Chevrolet Caprice Estate
1973-1996 Chevrolet Caprice Classic
1975 Chevrolet Caprice Estate Wagon
1975-1976 Chevrolet Caprice Classic Sport
1976-1978 Chevrolet Caprice Classic Estate
1976-1981 Chevrolet Caprice Classic Landau
1979-1980 Chevrolet Caprice Classic Sport
1981-1982 Chevrolet Caprice Classic Estate
1986-1990 Chevrolet Caprice Classic Brougham
1986-1992 Chevrolet Caprice Base
1987-1990 Chevrolet Caprice Classic LS Brougham

…and 168 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About KYB

KYB engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full KYB lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Restore Original Ride Control with KYB Excel-G Rear Shock Absorbers

Don't compromise on your vehicle's handling and safety. The KYB Excel-G Rear Shock Absorber is engineered to bring your car back to its original factory-new ride quality and performance. Designed as a direct replacement for specific makes and models, these shocks are built to the same exacting standards as original equipment (OE) parts.

Key Features and Benefits:

  • OE Performance Restoration: Calibrated to restore your vehicle's original handling, stability, and comfort.
  • Durable Twin-Tube Design: Features a robust twin-tube construction for long-lasting performance.
  • Nitrogen Gas Charged: Helps prevent fluid aeration and ensures consistent damping performance, even under demanding conditions.
  • High-Quality Components: Built with the same premium materials and manufacturing processes used for KYB's global OE products.
  • Exact Fitment: Specifically designed for seamless installation on 1973 Buick Apollo, 1973-1981 Buick Century, and 1986-1988 Avanti II models.

KYB's Excel-G shocks are classified as OEA (Original Equipment for the Aftermarket), meaning they are manufactured on the same OE assembly lines with the same quality components. This ensures that when you install KYB Excel-G shocks, you're not just replacing a part – you're restoring the intended driving dynamics of your vehicle. Experience a smoother, more controlled ride and enhanced safety. Upgrade your suspension with the trusted quality of KYB.

For unparalleled ride restoration, choose KYB Excel-G Rear Shock Absorbers from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1987-1988 Avanti II Base
1973 Buick Apollo Base
1973-1975 Buick Century Luxus
1973-1977 Buick Century Base
1975-1979 Buick Century Special
1975-1979 Buick Century Custom
1976 Buick Century Indianapolis 500 Pace Car
1978-1981 Buick Century Sport
1978-1981 Buick Century Limited
1980-1981 Buick Century Base
1980-1981 Buick Century Estate
1980-1989 Buick Electra Estate Wagon
1980-1989 Buick Electra Limited
1980-1989 Buick Electra Park Avenue
1985-1989 Buick Electra T-Type
1989 Buick Electra Park Avenue Ultra
1971-1983 Buick Estate Wagon Base
1970-1972 Buick GS Base
1968-1969 Buick GS 350 Base
1968-1969 Buick GS 400 Base
1970 Buick GS 455 GSX
1970-1972 Buick GS 455 Base
1985 Buick LeSabre Collector's Edition
1985-1986 Buick LeSabre Custom
1985-1986 Buick LeSabre Limited
1985-1990 Buick LeSabre Estate Wagon
1973-1987 Buick Regal Base
1976-1977 Buick Regal SR
1978-1982 Buick Regal Sport
1978-1987 Buick Regal Limited
1982 Buick Regal Limited Turbo
1982-1983 Buick Regal Estate Wagon
1983-1986 Buick Regal T-Type
1991-1995 Buick Roadmaster Estate Wagon
1992-1995 Buick Roadmaster Base
1992-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Collector's Edition
1996 Buick Roadmaster Estate Wagon Collector's Edition
1996 Buick Roadmaster Limited Collector's Edition
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1970 Buick Skylark 350
1972 Buick Skylark 350
1968-1969 Buick Special Base
1970-1972 Buick Sportwagon Base
1971-1975 Chevrolet Bel Air Base
1971-1972 Chevrolet Biscayne Base
1971-1972 Chevrolet Brookwood Base
1971-1972 Chevrolet Caprice Base
1973-1974 Chevrolet Caprice Estate
1973-1996 Chevrolet Caprice Classic
1975 Chevrolet Caprice Estate Wagon
1975-1976 Chevrolet Caprice Classic Sport
1976-1978 Chevrolet Caprice Classic Estate
1976-1981 Chevrolet Caprice Classic Landau
1979-1980 Chevrolet Caprice Classic Sport
1981-1982 Chevrolet Caprice Classic Estate
1986-1990 Chevrolet Caprice Classic Brougham
1986-1992 Chevrolet Caprice Base
1987-1990 Chevrolet Caprice Classic LS Brougham

…and 168 additional fitments. Contact us to confirm yours.

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