How long is shipping for KYB?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for KYB?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for KYB?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for KYB?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for KYB?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

KYB

KYB Gas-A-Just Monotube Front Shock Absorber — Fits 1987-1991 Avanti II, 1973-1981 Buick Century, 1973-1987 Buick Regal

Name: KYB Gas-A-Just Monotube Front Shock Absorber — Fits 1987-1991 Avanti II, 1973-1981 Buick Century, 1973-1987 Buick Regal
Brand: KYB
SKU: KYBKG4513
Price: 62.99 USD
Availability: InStock

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KYB

KYB Gas-A-Just Monotube Front Shock Absorber — Fits 1987-1991 Avanti II, 1973-1981 Buick Century, 1973-1987 Buick Regal

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SKU: KYBKG4513

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About KYB KYB engineers high-quality automotive parts and accessories trusted ...Read More

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$62.99 $74.22

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Car Wheel Size Chart

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

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

Ships FAST in USA

Guaranteed Low Price

GGCRACING Discount

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 Monotube Front Shock Absorber

Upgrade your driving experience with the KYB Gas-A-Just Monotube Front Shock Absorber, designed to provide a perfect blend of comfort and performance for your Buick or Avanti II. This shock absorber is engineered to deliver superior damping and stability, restoring your vehicle's original ride quality and handling.

Advanced Suspension Technology:

Monotube Design Advantages: Offers instant, automatic adjustments to damping force, preventing fade and ensuring consistent performance across various driving conditions.
Dual-Chamber System: Features a hydraulic piston and valve for precise control and a high-pressure nitrogen gas chamber that provides a comfortable ride during normal use and enhanced responsiveness when needed.
Restores OE Performance: Ideal for replacing worn-out shocks and bringing back your vehicle's factory handling characteristics.
Specific Vehicle Fitment: Engineered for a range of models including Avanti II (1987-1991), Buick Century (Base, Custom, Estate, Limited, Luxus) (1973-1981), and Buick Regal (Base, Limited, T-Type) (1973-1987), among others.

The KYB Gas-A-Just shock absorber is the ideal choice for drivers seeking a smooth, comfortable ride without compromising on responsive handling. Its advanced technology ensures a stable and controlled feel, making every drive more enjoyable. Invest in the quality and reliability of KYB suspension components.

Discover the difference quality suspension makes. Find your KYB shocks at GGCRACING.

Vehicle Fitment

Years	Make	Model	Trim
1987-1991	Avanti	II	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
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
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
1984-1987	Buick	Regal	Grand National
1987	Buick	Regal	GNX
1968-1972	Buick	Skylark	Base
1968-1972	Buick	Skylark	Custom
1970	Buick	Skylark	350
1972	Buick	Skylark	350
1968-1969	Buick	Special	Base
1968-1969	Buick	Sportwagon	Custom
1968-1972	Buick	Sportwagon	Base
1976-1979	Cadillac	Seville	Base
1977-1978	Cadillac	Seville	Opera
1978-1979	Cadillac	Seville	Elegante
1968	Chevrolet	Chevelle	300
1968	Chevrolet	Chevelle	Base
1968-1969	Chevrolet	Chevelle	300 Deluxe
1968-1972	Chevrolet	Chevelle	Malibu
1968-1972	Chevrolet	Chevelle	Nomad
1968-1972	Chevrolet	Chevelle	SS
1968-1972	Chevrolet	Chevelle	Concours
1969-1972	Chevrolet	Chevelle	Concours Estate
1969-1972	Chevrolet	Chevelle	Greenbrier
1970-1972	Chevrolet	Chevelle	Base
1973	Chevrolet	Chevelle	Deluxe
1968-1974	Chevrolet	El Camino	Custom
1968-1987	Chevrolet	El Camino	Base
1968-1987	Chevrolet	El Camino	SS
1975-1977	Chevrolet	El Camino	Classic
1977-1978	Chevrolet	El Camino	Conquista
1979-1981	Chevrolet	El Camino	Royal Knight
1981-1986	Chevrolet	El Camino	Conquista
1973	Chevrolet	Laguna	Estate
1973-1975	Chevrolet	Laguna	Base
1974	Chevrolet	Laguna	Type S-3
1975-1976	Chevrolet	Laguna	S3
1973-1974	Chevrolet	Malibu	Estate
1973-1981	Chevrolet	Malibu	Base
1974-1983	Chevrolet	Malibu	Classic
1975-1976	Chevrolet	Malibu	Classic Estate

…and 108 additional fitments. Contact us to confirm yours.

Often bought with

Other popular KYB products customers consider together:

Product Details

Product Description

Part Numbers

Sizing & Fit

About KYB

Watch in action

KYB Gas-A-Just Monotube Front Shock Absorber

Advanced Suspension Technology:

Monotube Design Advantages: Offers instant, automatic adjustments to damping force, preventing fade and ensuring consistent performance across various driving conditions.
Dual-Chamber System: Features a hydraulic piston and valve for precise control and a high-pressure nitrogen gas chamber that provides a comfortable ride during normal use and enhanced responsiveness when needed.
Restores OE Performance: Ideal for replacing worn-out shocks and bringing back your vehicle's factory handling characteristics.
Specific Vehicle Fitment: Engineered for a range of models including Avanti II (1987-1991), Buick Century (Base, Custom, Estate, Limited, Luxus) (1973-1981), and Buick Regal (Base, Limited, T-Type) (1973-1987), among others.

Discover the difference quality suspension makes. Find your KYB shocks at GGCRACING.

Vehicle Fitment

Years	Make	Model	Trim
1987-1991	Avanti	II	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
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
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
1984-1987	Buick	Regal	Grand National
1987	Buick	Regal	GNX
1968-1972	Buick	Skylark	Base
1968-1972	Buick	Skylark	Custom
1970	Buick	Skylark	350
1972	Buick	Skylark	350
1968-1969	Buick	Special	Base
1968-1969	Buick	Sportwagon	Custom
1968-1972	Buick	Sportwagon	Base
1976-1979	Cadillac	Seville	Base
1977-1978	Cadillac	Seville	Opera
1978-1979	Cadillac	Seville	Elegante
1968	Chevrolet	Chevelle	300
1968	Chevrolet	Chevelle	Base
1968-1969	Chevrolet	Chevelle	300 Deluxe
1968-1972	Chevrolet	Chevelle	Malibu
1968-1972	Chevrolet	Chevelle	Nomad
1968-1972	Chevrolet	Chevelle	SS
1968-1972	Chevrolet	Chevelle	Concours
1969-1972	Chevrolet	Chevelle	Concours Estate
1969-1972	Chevrolet	Chevelle	Greenbrier
1970-1972	Chevrolet	Chevelle	Base
1973	Chevrolet	Chevelle	Deluxe
1968-1974	Chevrolet	El Camino	Custom
1968-1987	Chevrolet	El Camino	Base
1968-1987	Chevrolet	El Camino	SS
1975-1977	Chevrolet	El Camino	Classic
1977-1978	Chevrolet	El Camino	Conquista
1979-1981	Chevrolet	El Camino	Royal Knight
1981-1986	Chevrolet	El Camino	Conquista
1973	Chevrolet	Laguna	Estate
1973-1975	Chevrolet	Laguna	Base
1974	Chevrolet	Laguna	Type S-3
1975-1976	Chevrolet	Laguna	S3
1973-1974	Chevrolet	Malibu	Estate
1973-1981	Chevrolet	Malibu	Base
1974-1983	Chevrolet	Malibu	Classic
1975-1976	Chevrolet	Malibu	Classic Estate

…and 108 additional fitments. Contact us to confirm yours.

Often bought with

Other popular KYB products customers consider together:

Product Details

Product Description

About KYB

Watch in action

KYB Gas-A-Just Monotube Front Shock Absorber

Advanced Suspension Technology:

Monotube Design Advantages: Offers instant, automatic adjustments to damping force, preventing fade and ensuring consistent performance across various driving conditions.
Dual-Chamber System: Features a hydraulic piston and valve for precise control and a high-pressure nitrogen gas chamber that provides a comfortable ride during normal use and enhanced responsiveness when needed.
Restores OE Performance: Ideal for replacing worn-out shocks and bringing back your vehicle's factory handling characteristics.
Specific Vehicle Fitment: Engineered for a range of models including Avanti II (1987-1991), Buick Century (Base, Custom, Estate, Limited, Luxus) (1973-1981), and Buick Regal (Base, Limited, T-Type) (1973-1987), among others.

Discover the difference quality suspension makes. Find your KYB shocks at GGCRACING.

Vehicle Fitment

Years	Make	Model	Trim
1987-1991	Avanti	II	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
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
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
1984-1987	Buick	Regal	Grand National
1987	Buick	Regal	GNX
1968-1972	Buick	Skylark	Base
1968-1972	Buick	Skylark	Custom
1970	Buick	Skylark	350
1972	Buick	Skylark	350
1968-1969	Buick	Special	Base
1968-1969	Buick	Sportwagon	Custom
1968-1972	Buick	Sportwagon	Base
1976-1979	Cadillac	Seville	Base
1977-1978	Cadillac	Seville	Opera
1978-1979	Cadillac	Seville	Elegante
1968	Chevrolet	Chevelle	300
1968	Chevrolet	Chevelle	Base
1968-1969	Chevrolet	Chevelle	300 Deluxe
1968-1972	Chevrolet	Chevelle	Malibu
1968-1972	Chevrolet	Chevelle	Nomad
1968-1972	Chevrolet	Chevelle	SS
1968-1972	Chevrolet	Chevelle	Concours
1969-1972	Chevrolet	Chevelle	Concours Estate
1969-1972	Chevrolet	Chevelle	Greenbrier
1970-1972	Chevrolet	Chevelle	Base
1973	Chevrolet	Chevelle	Deluxe
1968-1974	Chevrolet	El Camino	Custom
1968-1987	Chevrolet	El Camino	Base
1968-1987	Chevrolet	El Camino	SS
1975-1977	Chevrolet	El Camino	Classic
1977-1978	Chevrolet	El Camino	Conquista
1979-1981	Chevrolet	El Camino	Royal Knight
1981-1986	Chevrolet	El Camino	Conquista
1973	Chevrolet	Laguna	Estate
1973-1975	Chevrolet	Laguna	Base
1974	Chevrolet	Laguna	Type S-3
1975-1976	Chevrolet	Laguna	S3
1973-1974	Chevrolet	Malibu	Estate
1973-1981	Chevrolet	Malibu	Base
1974-1983	Chevrolet	Malibu	Classic
1975-1976	Chevrolet	Malibu	Classic Estate

…and 108 additional fitments. Contact us to confirm yours.

Often bought with

Other popular KYB products customers consider together:

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

KYB Gas-A-Just Monotube Front Shock Absorber — Fits 1987-1991 Avanti II, 1973-1981 Buick Century, 1973-1987 Buick Regal

KYB Gas-A-Just Monotube Front Shock Absorber — Fits 1987-1991 Avanti II, 1973-1981 Buick Century, 1973-1987 Buick Regal

Car Wheel Size Chart

How to Read Tire Size

Product Details

About KYB

Watch in action

KYB Gas-A-Just Monotube Front Shock Absorber

Advanced Suspension Technology:

Vehicle Fitment

Often bought with

Product Details

About KYB

Watch in action

KYB Gas-A-Just Monotube Front Shock Absorber

Advanced Suspension Technology:

Vehicle Fitment

Often bought with

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Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5