KYB Gas-A-Just Front & Rear Shock Absorber — Fits Classic GM Cars

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SKU: KYBKG4550
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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.

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KYB Gas-A-Just Shocks for Classic American Cars

Revitalize the suspension of your cherished classic American automobile with the KYB Gas-A-Just monotube shock absorbers. Designed to provide a superior blend of comfortable cruising and responsive handling, these shocks are an excellent upgrade for vehicles like the Buick Riviera, Chevrolet models (including Bel Air, Biscayne, Impala), and Pontiac (Bonneville, Catalina).

Experience the KYB Difference:

  • Advanced Monotube Design: Features separate working chambers for hydraulic control and high-pressure nitrogen gas, preventing aeration and fade.
  • Comfort Meets Performance: Delivers a plush ride during normal driving while providing instant, increased damping force when needed for spirited driving or rough roads.
  • Restored Ride Quality: Effectively replaces worn-out original shocks, bringing back your vehicle's factory-intended handling and stability.
  • Durable Construction: Built to withstand the demands of classic car use, ensuring long-lasting performance.
  • Extensive Fitment: Specifically designed for a wide array of classic vehicles, including Avanti II (1965-1985), Buick Riviera (1963-1965), and numerous Chevrolet and Pontiac models from the mid-1950s to the early 1960s.

Whether you're cruising down the highway or navigating city streets, the KYB Gas-A-Just shocks offer a noticeable improvement in ride comfort and vehicle control. They are the perfect choice for enthusiasts looking to maintain or enhance the driving experience of their vintage vehicles.

Equip your classic ride with KYB Gas-A-Just shocks from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1965-1985 Avanti II Base
1985 Avanti II GT
1963-1965 Buick Riviera Base
1965 Buick Riviera Gran Sport
1955-1956 Chevrolet Bel Air Beauville
1955-1957 Chevrolet Bel Air Nomad
1955-1964 Chevrolet Bel Air Base
1958-1964 Chevrolet Biscayne Base
1960-1961 Chevrolet Corvair Deluxe
1960-1964 Chevrolet Corvair Base
1960-1964 Chevrolet Corvair Monza
1961 Chevrolet Corvair Lakewood
1961-1964 Chevrolet Corvair 95
1962-1964 Chevrolet Corvair Monza Spyder
1964 Chevrolet Corvair Deluxe
1975-1976 Chevrolet Corvette Stingray
1977-1982 Chevrolet Corvette Base
1978 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition
1982 Chevrolet Corvette Collector's Edition
1959-1964 Chevrolet Impala Base
1958-1962 Pontiac Bonneville Base
1959-1962 Pontiac Bonneville Custom
1959-1962 Pontiac Bonneville Safari
1958-1962 Pontiac Catalina Base
1959-1962 Pontiac Catalina Safari
1962 Pontiac Catalina Ventura
1967-1974 Volvo 142 Base
1967-1974 Volvo 142 S
1971-1972 Volvo 142 E
1967-1974 Volvo 144 Base
1967-1974 Volvo 144 S
1974 Volvo 144 GL
1968-1974 Volvo 145 Base
1968-1974 Volvo 145 S
1969-1972 Volvo 164 Base
1969-1974 Volvo 164 S
1973-1974 Volvo 164 E
1975 Volvo 164 Base

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

KYB Gas-A-Just Shocks for Classic American Cars

Revitalize the suspension of your cherished classic American automobile with the KYB Gas-A-Just monotube shock absorbers. Designed to provide a superior blend of comfortable cruising and responsive handling, these shocks are an excellent upgrade for vehicles like the Buick Riviera, Chevrolet models (including Bel Air, Biscayne, Impala), and Pontiac (Bonneville, Catalina).

Experience the KYB Difference:

  • Advanced Monotube Design: Features separate working chambers for hydraulic control and high-pressure nitrogen gas, preventing aeration and fade.
  • Comfort Meets Performance: Delivers a plush ride during normal driving while providing instant, increased damping force when needed for spirited driving or rough roads.
  • Restored Ride Quality: Effectively replaces worn-out original shocks, bringing back your vehicle's factory-intended handling and stability.
  • Durable Construction: Built to withstand the demands of classic car use, ensuring long-lasting performance.
  • Extensive Fitment: Specifically designed for a wide array of classic vehicles, including Avanti II (1965-1985), Buick Riviera (1963-1965), and numerous Chevrolet and Pontiac models from the mid-1950s to the early 1960s.

Whether you're cruising down the highway or navigating city streets, the KYB Gas-A-Just shocks offer a noticeable improvement in ride comfort and vehicle control. They are the perfect choice for enthusiasts looking to maintain or enhance the driving experience of their vintage vehicles.

Equip your classic ride with KYB Gas-A-Just shocks from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1965-1985 Avanti II Base
1985 Avanti II GT
1963-1965 Buick Riviera Base
1965 Buick Riviera Gran Sport
1955-1956 Chevrolet Bel Air Beauville
1955-1957 Chevrolet Bel Air Nomad
1955-1964 Chevrolet Bel Air Base
1958-1964 Chevrolet Biscayne Base
1960-1961 Chevrolet Corvair Deluxe
1960-1964 Chevrolet Corvair Base
1960-1964 Chevrolet Corvair Monza
1961 Chevrolet Corvair Lakewood
1961-1964 Chevrolet Corvair 95
1962-1964 Chevrolet Corvair Monza Spyder
1964 Chevrolet Corvair Deluxe
1975-1976 Chevrolet Corvette Stingray
1977-1982 Chevrolet Corvette Base
1978 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition
1982 Chevrolet Corvette Collector's Edition
1959-1964 Chevrolet Impala Base
1958-1962 Pontiac Bonneville Base
1959-1962 Pontiac Bonneville Custom
1959-1962 Pontiac Bonneville Safari
1958-1962 Pontiac Catalina Base
1959-1962 Pontiac Catalina Safari
1962 Pontiac Catalina Ventura
1967-1974 Volvo 142 Base
1967-1974 Volvo 142 S
1971-1972 Volvo 142 E
1967-1974 Volvo 144 Base
1967-1974 Volvo 144 S
1974 Volvo 144 GL
1968-1974 Volvo 145 Base
1968-1974 Volvo 145 S
1969-1972 Volvo 164 Base
1969-1974 Volvo 164 S
1973-1974 Volvo 164 E
1975 Volvo 164 Base

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

KYB Gas-A-Just Shocks for Classic American Cars

Revitalize the suspension of your cherished classic American automobile with the KYB Gas-A-Just monotube shock absorbers. Designed to provide a superior blend of comfortable cruising and responsive handling, these shocks are an excellent upgrade for vehicles like the Buick Riviera, Chevrolet models (including Bel Air, Biscayne, Impala), and Pontiac (Bonneville, Catalina).

Experience the KYB Difference:

  • Advanced Monotube Design: Features separate working chambers for hydraulic control and high-pressure nitrogen gas, preventing aeration and fade.
  • Comfort Meets Performance: Delivers a plush ride during normal driving while providing instant, increased damping force when needed for spirited driving or rough roads.
  • Restored Ride Quality: Effectively replaces worn-out original shocks, bringing back your vehicle's factory-intended handling and stability.
  • Durable Construction: Built to withstand the demands of classic car use, ensuring long-lasting performance.
  • Extensive Fitment: Specifically designed for a wide array of classic vehicles, including Avanti II (1965-1985), Buick Riviera (1963-1965), and numerous Chevrolet and Pontiac models from the mid-1950s to the early 1960s.

Whether you're cruising down the highway or navigating city streets, the KYB Gas-A-Just shocks offer a noticeable improvement in ride comfort and vehicle control. They are the perfect choice for enthusiasts looking to maintain or enhance the driving experience of their vintage vehicles.

Equip your classic ride with KYB Gas-A-Just shocks from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1965-1985 Avanti II Base
1985 Avanti II GT
1963-1965 Buick Riviera Base
1965 Buick Riviera Gran Sport
1955-1956 Chevrolet Bel Air Beauville
1955-1957 Chevrolet Bel Air Nomad
1955-1964 Chevrolet Bel Air Base
1958-1964 Chevrolet Biscayne Base
1960-1961 Chevrolet Corvair Deluxe
1960-1964 Chevrolet Corvair Base
1960-1964 Chevrolet Corvair Monza
1961 Chevrolet Corvair Lakewood
1961-1964 Chevrolet Corvair 95
1962-1964 Chevrolet Corvair Monza Spyder
1964 Chevrolet Corvair Deluxe
1975-1976 Chevrolet Corvette Stingray
1977-1982 Chevrolet Corvette Base
1978 Chevrolet Corvette Indianapolis 500 Pace Car
1978 Chevrolet Corvette Silver Anniversary Edition
1982 Chevrolet Corvette Collector's Edition
1959-1964 Chevrolet Impala Base
1958-1962 Pontiac Bonneville Base
1959-1962 Pontiac Bonneville Custom
1959-1962 Pontiac Bonneville Safari
1958-1962 Pontiac Catalina Base
1959-1962 Pontiac Catalina Safari
1962 Pontiac Catalina Ventura
1967-1974 Volvo 142 Base
1967-1974 Volvo 142 S
1971-1972 Volvo 142 E
1967-1974 Volvo 144 Base
1967-1974 Volvo 144 S
1974 Volvo 144 GL
1968-1974 Volvo 145 Base
1968-1974 Volvo 145 S
1969-1972 Volvo 164 Base
1969-1974 Volvo 164 S
1973-1974 Volvo 164 E
1975 Volvo 164 Base

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