The KYB Gas-a-just monotube truck shock absorber has additional performance advantages over the twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The Gas-a-just is available as an OE monotube replacement and as an OE twin-tube performance upgrade. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.

Fitment:
Chevrolet P30 Base 1985
Chevrolet P30 Base 1986
Chevrolet P30 Base 1987
Chevrolet P30 Base 1988
Chevrolet P30 Base 1989
Chevrolet P30 Base 1990
Chevrolet P30 Base 1991
Chevrolet P30 Base 1992
Chevrolet P30 Base 1993
Chevrolet P30 Base 1994
Chevrolet P30 Base 1995
Chevrolet P30 Base 1996
Chevrolet P30 Base 1997
Chevrolet P30 Base 1998
Chevrolet P30 Base 1999
Chevrolet P30 Step-Van 1985
Chevrolet P30 Step-Van 1987
Chevrolet P30 Step-Van 1988
Chevrolet P30 Step-Van 1989
Chevrolet P30 Step-Van 1990
Ford Pinto Base 1971
Ford Pinto Base 1972
Ford Pinto Base 1973
Ford Pinto Base 1974
Ford Pinto Base 1975
Ford Pinto Base 1976
Ford Pinto Base 1977
Ford Pinto Base 1978
Ford Pinto Base 1979
Ford Pinto Base 1980
Ford Pinto Pony 1976
Ford Pinto Pony 1977
Ford Pinto Pony 1978
Ford Pinto Pony 1979
Ford Pinto Pony 1980
Ford Pinto Squire 1976
Ford Pinto Squire 1977
Ford Pinto Squire 1978
Ford Pinto Squire 1979
Ford Pinto Squire 1980
Ford Thunderbird Base 1955
Ford Thunderbird Base 1956
Ford Thunderbird Base 1957
GMC P3500 Base 1985
GMC P3500 Base 1986
GMC P3500 Base 1987
GMC P3500 Base 1988
GMC P3500 Base 1989
GMC P3500 Base 1990
GMC P3500 Base 1991
GMC P3500 Base 1992
GMC P3500 Base 1993
GMC P3500 Base 1994
GMC P3500 Base 1995
GMC P3500 Base 1996
GMC P3500 Base 1997
GMC P3500 Base 1998
GMC P3500 Base 1999
GMC P3500 Value Van 1985
GMC P3500 Value Van 1986
GMC P3500 Value Van 1987
GMC P3500 Value Van 1988
GMC P3500 Value Van 1989
GMC P3500 Value Van 1990
Mercury Bobcat Base 1975
Mercury Bobcat Base 1977
Mercury Bobcat Base 1978
Mercury Bobcat Base 1979
Mercury Bobcat Base 1980
Mercury Bobcat MPG Runabout 1976
Mercury Bobcat Runabout 1976
Mercury Bobcat Runabout 1977
Mercury Bobcat Runabout 1978
Mercury Bobcat Runabout 1979
Mercury Bobcat Runabout 1980
Mercury Bobcat S Runabout 1976
Mercury Bobcat Villager 1976
Mercury Bobcat Villager 1977
Mercury Bobcat Villager 1978
Mercury Bobcat Villager 1979
Mercury Bobcat Villager 1980
Volvo 122 Base 1961
Volvo 122 Base 1962
Volvo 122 Base 1963
Volvo 122 Base 1964
Volvo 122 Base 1965
Volvo 122 Base 1966
Volvo 122 Base 1967
Volvo 122 Base 1968
Volvo 122 S 1961
Volvo 122 S 1962
Volvo 122 S 1963
Volvo 122 S 1964
Volvo 122 S 1965
Volvo 122 S 1966
Volvo 122 S 1967
Volvo 122 S 1968
Volvo 1800 Base 1961
Volvo 1800 Base 1962
Volvo 1800 Base 1963
Volvo 1800 Base 1964
Volvo 1800 Base 1965
Volvo 1800 Base 1966
Volvo 1800 Base 1967
Volvo 1800 Base 1968
Volvo 1800 E 1969
Volvo 1800 E 1970
Volvo 1800 E 1971
Volvo 1800 E 1972
Volvo 1800 E 1973
Volvo 1800 ES 1972
Volvo 1800 ES 1973
Volvo 1800 S 1964
Volvo 1800 S 1965
Volvo 1800 S 1966
Volvo 1800 S 1967
Volvo 1800 S 1968
Volvo 1800 S 1969