Firestone Coil-Rite Air Helper Spring Kit Front 63-99 P30 (W237604100)

If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire.Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C). P-30 Front (63-99) Fitment: Chevrolet Blazer Base 1973 to 1974 Chevrolet Blazer Custom Deluxe 1987 Chevrolet Blazer Scottsdale 1988 to 1989 Chevrolet Blazer Silverado 1987 to 1989 Chevrolet C10 Big Ten 1978 to 1980 Chevrolet C10 Cheyenne 1975 to 1981 Chevrolet C10 Custom 1981 to 1986 Chevrolet C10 Custom Deluxe 1975 to 1980 Chevrolet C10 Deluxe 1981 Chevrolet C10 Scottsdale 1975 to 1986 Chevrolet C10 Silverado 1975 to 1986 Chevrolet C10 Pickup Base 1973 to 1974 Chevrolet C10 Suburban Base 1973 to 1974 Chevrolet C10 Suburban Custom 1981 to 1986 Chevrolet C10 Suburban Custom Deluxe 1975 to 1980 Chevrolet C10 Suburban Deluxe 1981 Chevrolet C10 Suburban Scottsdale 1975 to 1980 Chevrolet C10 Suburban Scottsdale 1982 Chevrolet C10 Suburban Scottsdale 1984 to 1986 Chevrolet C10 Suburban Silverado 1975 to 1980 Chevrolet C10 Suburban Silverado 1982 to 1986 Chevrolet C1500 Suburban Base 1992 to 1999 Chevrolet C1500 Suburban LS 1995 to 1999 Chevrolet C1500 Suburban LT 1995 to 1997 Chevrolet C1500 Suburban LT 1999 Chevrolet C1500 Suburban Silverado 1992 to 1994 Chevrolet C20 Cheyenne 1975 to 1981 Chevrolet C20 Custom 1981 to 1986 Chevrolet C20 Custom Deluxe 1975 to 1980 Chevrolet C20 Deluxe 1981 Chevrolet C20 Scottsdale 1975 to 1986 Chevrolet C20 Silverado 1975 to 1986 Chevrolet C20 Pickup Base 1973 to 1974 Chevrolet C20 Suburban Base 1973 to 1974 Chevrolet C20 Suburban Custom 1981 to 1986 Chevrolet C20 Suburban Custom Deluxe 1975 to 1980 Chevrolet C20 Suburban Deluxe 1981 Chevrolet C20 Suburban Scottsdale 1975 to 1980 Chevrolet C20 Suburban Scottsdale 1982 Chevrolet C20 Suburban Scottsdale 1984 to 1986 Chevrolet C20 Suburban Silverado 1975 to 1977 Chevrolet C20 Suburban Silverado 1979 to 1980 Chevrolet C20 Suburban Silverado 1982 to 1986 Chevrolet C30 Cheyenne 1975 to 1981 Chevrolet C30 Custom 1981 to 1986 Chevrolet C30 Custom Deluxe 1975 to 1980 Chevrolet C30 Deluxe 1981 Chevrolet C30 Scottsdale 1975 to 1986 Chevrolet C30 Silverado 1975 to 1986 Chevrolet C30 Pickup Base 1967 to 1974 Chevrolet G10 Base 1983 Chevrolet G10 Beauville 1975 to 1995 Chevrolet G10 Bonaventure 1981 to 1984 Chevrolet G10 Bonaventure 1986 to 1987 Chevrolet G10 Chevy Van 1975 to 1995 Chevrolet G10 Sportvan 1975 to 1995 Chevrolet G10 Van Base 1970 to 1974 Chevrolet G10 Van Sportvan 1970 to 1974 Chevrolet G20 Beauville 1975 to 1995 Chevrolet G20 Bonaventure 1983 to 1984 Chevrolet G20 Chevy Van 1975 to 1995 Chevrolet G20 Nomad 1978 to 1981 Chevrolet G20 Sportvan 1975 to 1995 Chevrolet G20 Van Base 1970 to 1974 Chevrolet G20 Van Sportvan 1970 to 1974 Chevrolet G30 Beauville 1975 to 1995 Chevrolet G30 Bonaventure 1983 to 1984 Chevrolet G30 Chevy Van 1975 to 1995 Chevrolet G30 Hi-Cube 1975 to 1995 Chevrolet G30 Sportvan 1975 to 1995 Chevrolet G30 Van Base 1970 to 1974 Chevrolet G30 Van Sportvan 1970 to 1974 Chevrolet K5 Blazer Base 1976 Chevrolet K5 Blazer Cheyenne 1975 to 1980 Chevrolet K5 Blazer Custom 1981 to 1986 Chevrolet K5 Blazer Custom Deluxe 1975 Chevrolet K5 Blazer Custom Deluxe 1977 to 1980 Chevrolet K5 Blazer Deluxe 1981 Chevrolet K5 Blazer Scottsdale 1984 Chevrolet K5 Blazer Silverado 1978 Chevrolet K5 Blazer Silverado 1980 to 1986 Chevrolet P30 Base 1975 to 1999 Chevrolet P30 Step-Van 1975 to 1985 Chevrolet P30 Step-Van 1987 to 1990 Chevrolet P30 Series Base 1963 to 1967 Chevrolet P30 Van Base 1968 to 1974 Chevrolet R10 Custom Deluxe 1987 Chevrolet R10 Scottsdale 1987 Chevrolet R10 Silverado 1987 Chevrolet R10 Suburban Custom Deluxe 1987 Chevrolet R10 Suburban Scottsdale 1987 to 1988 Chevrolet R10 Suburban Silverado 1987 to 1988 Chevrolet R1500 Suburban Scottsdale 1989 to 1991 Chevrolet R1500 Suburban Silverado 1989 to 1991 Chevrolet R20 Custom Deluxe 1987 to 1988 Chevrolet R20 Scottsdale 1987 Chevrolet R20 Silverado 1987 Chevrolet R20 Suburban Custom Deluxe 1987 Chevrolet R20 Suburban Scottsdale 1987 to 1988 Chevrolet R20 Suburban Silverado 1987 to 1988 Chevrolet R2500 Suburban Scottsdale 1989 to 1991 Chevrolet R2500 Suburban Silverado 1989 to 1991 Chevrolet R30 Custom Deluxe 1987 Chevrolet R30 Scottsdale 1987 Chevrolet R30 Silverado 1987 Chevrolet S10 Blazer Base 1983 to 1991 Chevrolet S10 Blazer High Country 1987 to 1989 Chevrolet S10 Blazer Sport 1983 to 1990 Chevrolet S10 Blazer Tahoe 1983 to 1988 Chevrolet S10 Blazer Tahoe 1990 to 1991 Chevrolet S10 Blazer Tahoe LT 1991 GMC C15 Base 1975 to 1978 GMC C15 Heavy Half 1977 to 1978 GMC C15 High Sierra 1975 to 1978 GMC C15 Indy Hauler 1977 GMC C15 Sierra Classic 1975 to 1978 GMC C15 Sierra Grande 1975 to 1978 GMC C15 Street Coupe 1978 GMC C15 Suburban Base 1975 to 1978 GMC C15 Suburban High Sierra 1975 to 1978 GMC C15 Suburban Sierra Classic 1975 to 1978 GMC C15 Suburban Sierra Grande 1975 to 1978 GMC C15/C1500 Pickup Base 1973 to 1974 GMC C15/C1500 Suburban Base 1973 to 1974 GMC C1500 Base 1979 to 1986 GMC C1500 Heavy Half 1979 to 1980 GMC C1500 High Sierra 1979 to 1986 GMC C1500 Sierra Classic 1979 to 1986 GMC C1500 Sierra Grande 1979 to 1982 GMC C1500 Street Coupe 1979 to 1982 GMC C1500 Suburban Base 1979 to 1986 GMC C1500 Suburban Base 1992 to 1999 GMC C1500 Suburban High Sierra 1979 to 1986 GMC C1500 Suburban Sierra Classic 1979 to 1986 GMC C1500 Suburban Sierra Grande 1979 to 1982 GMC C1500 Suburban SLE 1992 to 1999 GMC C1500 Suburban SLT 1995 to 1999 GMC C25 Base 1975 to 1978 GMC C25 High Sierra 1975 to 1978 GMC C25 Sierra Classic 1975 to 1978 GMC C25 Sierra Grande 1975 to 1978 GMC C25 Suburban Base 1975 to 1978 GMC C25 Suburban High Sierra 1975 to 1978 GMC C25 Suburban Sierra Classic 1975 to 1978 GMC C25 Suburban Sierra Grande 1975 to 1978 GMC C25/C2500 Pickup Base 1973 to 1974 GMC C25/C2500 Suburban Base 1973 to 1974 GMC C2500 Base 1979 to 1986 GMC C2500 High Sierra 1979 to 1986 GMC C2500 Sierra Classic 1979 to 1986 GMC C2500 Sierra Grande 1979 to 1982 GMC C2500 Suburban Base 1979 to 1986 GMC C2500 Suburban High Sierra 1979 to 1986 GMC C2500 Suburban Sierra Classic 1979 to 1986 GMC C2500 Suburban Sierra Grande 1979 to 1982 GMC C35 Base 1975 to 1978 GMC C35 High Sierra 1975 to 1978 GMC C35 Sierra Classic 1975 to 1978 GMC C35 Sierra Grande 1975 to 1978 GMC C35/C3500 Pickup Base 1967 to 1974 GMC C3500 Base 1979 to 1986 GMC C3500 High Sierra 1979 to 1986 GMC C3500 Sierra Classic 1979 to 1986 GMC C3500 Sierra Grande 1979 to 1982 GMC G15 Rally 1975 to 1978 GMC G15 Rally STX 1975 to 1978 GMC G15 Vandura 1975 to 1978 GMC G15/G1500 Van Base 1970 to 1971 GMC G15/G1500 Van Rally 1971 to 1974 GMC G15/G1500 Van Vandura 1970 to 1974 GMC G1500 Rally 1979 to 1995 GMC G1500 Rally Custom 1983 to 1984 GMC G1500 Rally STX 1979 to 1995 GMC G1500 Vandura 1979 to 1995 GMC G25 Rally 1975 to 1978 GMC G25 Rally STX 1975 to 1978 GMC G25 Vandura 1975 to 1978 GMC G25/G2500 Van Base 1970 to 1972 GMC G25/G2500 Van Rally 1971 to 1974 GMC G25/G2500 Van Vandura 1970 to 1974 GMC G2500 Rally 1979 to 1995 GMC G2500 Rally Custom 1983 to 1984 GMC G2500 Rally STX 1979 to 1995 GMC G2500 Vandura 1979 to 1995 GMC G35 Magnavan 1975 to 1978 GMC G35 Rally 1975 to 1978 GMC G35 Rally Camper Special 1975 to 1978 GMC G35 Rally STX 1975 to 1978 GMC G35 Vandura 1975 to 1978 GMC G35 Vandura Special 1975 to 1978 GMC G35/G3500 Van Base 1970 to 1971 GMC G35/G3500 Van Base 1974 GMC G35/G3500 Van Rally 1971 to 1974 GMC G35/G3500 Van Vandura 1971 to 1974 GMC G3500 Magnavan 1979 to 1995 GMC G3500 Rally 1979 to 1995 GMC G3500 Rally Camper Special 1979 to 1995 GMC G3500 Rally Custom 1981 to 1988 GMC G3500 Rally STX 1979 to 1995 GMC G3500 Vandura 1979 to 1995 GMC G3500 Vandura Special 1979 to 1995 GMC Jimmy Base 1973 to 1991 GMC Jimmy High Sierra 1975 to 1985 GMC Jimmy Sierra Classic 1975 to 1976 GMC Jimmy Sierra Classic 1978 to 1990 GMC Jimmy Sierra Grande 1975 to 1982 GMC Jimmy Street Coupe 1978 to 1982 GMC K35/K3500 Pickup Base 1969 GMC P15 Base 1975 to 1978 GMC P15 Value Van 1975 to 1978 GMC P15/P1500 Van Base 1970 to 1974 GMC P1500 Base 1979 to 1980 GMC P1500 Value Van 1979 to 1980 GMC P25 Base 1975 to 1978 GMC P25 Value Van 1975 to 1978 GMC P25/P2500 Van Base 1970 to 1974 GMC P2500 Base 1979 to 1989 GMC P2500 Value Van 1979 to 1989 GMC P35 Base 1975 to 1978 GMC P35 Value Van 1975 to 1978 GMC P35/P3500 Van Base 1967 to 1974 GMC P35/P3500 Van Motorhome 1974 GMC P3500 Base 1979 to 1999 GMC P3500 Value Van 1979 to 1990 GMC PB3500 Van Base 1966 GMC R1500 Base 1987 GMC R1500 High Sierra 1987 GMC R1500 Sierra Classic 1987 GMC R1500 Suburban Base 1987 to 1991 GMC R1500 Suburban High Sierra 1987 GMC R1500 Suburban Sierra Classic 1987 to 1989 GMC R1500 Suburban SLE 1990 GMC R2500 Base 1987 GMC R2500 High Sierra 1987 GMC R2500 Sierra Classic 1987 GMC R2500 Suburban Base 1987 to 1991 GMC R2500 Suburban High Sierra 1987 GMC R2500 Suburban Sierra Classic 1987 to 1989 GMC R2500 Suburban SLE 1990 GMC S15 Jimmy Base 1983 to 1991 GMC S15 Jimmy Gypsy 1983 to 1990 GMC S15 Jimmy High Sierra 1985 GMC S15 Jimmy Sierra Classic 1983 to 1990 GMC S15 Jimmy SLE 1991 GMC S15 Jimmy SLS 1991 GMC S15 Jimmy SLT 1991 GMC S15 Jimmy Timberline 1988 to 1989