{"product_id":"qa1-gm-pro-front-single-adjustable-coil-over-shock-qapgs401","title":"QA1 GM Pro Front Single Adjustable Coil-Over Shock | Stock Mount 8.625in\/12.875in | GS401","description":"\u003cp\u003eThe QA1 GM Pro front coil-over shock delivers adjustable valving and ride height for classic GM suspensions. Built from lightweight billet aluminum, it bolts in with factory or upgraded QA1 tubular control arms and offers up to 2in of ride height adjustment to set the stance. Single-adjustable valving firms or softens the overall ride with one knob for street or performance driving. Each shock is 100 percent dyno tested, serialized, and made in the USA, and can be serviced or rebuilt by QA1 authorized service centers. A Limited Lifetime Warranty is included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeries: QA1 GM Pro coil-over shock\u003c\/li\u003e\n\u003cli\u003ePosition: Front\u003c\/li\u003e\n\u003cli\u003eValving: Single-adjustable\u003c\/li\u003e\n\u003cli\u003eBody: Lightweight billet aluminum\u003c\/li\u003e\n\u003cli\u003eMounting: Stock mount\u003c\/li\u003e\n\u003cli\u003eLength (collapsed\/extended): 8.625in\/12.875in\u003c\/li\u003e\n\u003cli\u003eRide height: Adjustable, up to 2in\u003c\/li\u003e\n\u003cli\u003eInstallation: Bolt-in, works with factory or QA1 tubular control arms\u003c\/li\u003e\n\u003cli\u003eTesting: 100 percent dyno tested and serialized\u003c\/li\u003e\n\u003cli\u003eService: Rebuildable by QA1 authorized service centers\u003c\/li\u003e\n\u003cli\u003eWarranty: Limited Lifetime\u003c\/li\u003e\n\u003cli\u003ePart number: GS401\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Applications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1973 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1974 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1975 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1976 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1977 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1978 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1979 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1980 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1981 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1982 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1983 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1984 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1985 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1986 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1987 Buick Regal\u003c\/li\u003e\n\u003cli\u003e1968 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1969 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1970 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1971 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1972 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1975 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1976 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1977 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1978 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1979 Buick Skylark\u003c\/li\u003e\n\u003cli\u003e1967 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1968 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1969 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1968 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1969 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1970 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1971 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1972 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1973 Chevrolet Chevelle\u003c\/li\u003e\n\u003cli\u003e1968 Chevrolet Chevy II\u003c\/li\u003e\n\u003cli\u003e1964 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1965 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1966 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1967 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1968 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1969 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1970 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1971 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1972 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1973 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1974 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1975 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1976 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1977 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1984 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1985 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet El Camino\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet Malibu\u003c\/li\u003e\n\u003cli\u003e1970 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1971 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1972 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1973 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1974 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1975 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1976 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1977 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1984 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1985 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1988 Chevrolet Monte Carlo\u003c\/li\u003e\n\u003cli\u003e1969 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1970 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1971 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1972 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1973 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1974 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1975 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1976 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1977 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet Nova\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1984 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1985 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1988 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1989 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1990 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1991 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1992 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1993 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1994 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1995 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1996 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1997 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet S10\u003c\/li\u003e\n\u003cli\u003e1982 GMC S15\u003c\/li\u003e\n\u003cli\u003e1983 GMC S15\u003c\/li\u003e\n\u003cli\u003e1984 GMC S15\u003c\/li\u003e\n\u003cli\u003e1985 GMC S15\u003c\/li\u003e\n\u003cli\u003e1986 GMC S15\u003c\/li\u003e\n\u003cli\u003e1987 GMC S15\u003c\/li\u003e\n\u003cli\u003e1988 GMC S15\u003c\/li\u003e\n\u003cli\u003e1989 GMC S15\u003c\/li\u003e\n\u003cli\u003e1990 GMC S15\u003c\/li\u003e\n\u003cli\u003e1991 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1992 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1993 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1994 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1995 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1996 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1997 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1998 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1999 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e2000 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e2001 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e2002 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e2003 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sonoma\u003c\/li\u003e\n\u003cli\u003e1968 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1969 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1970 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1971 Oldsmobile 442\u003c\/li\u003e\n\u003cli\u003e1968 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1969 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1970 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1971 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1972 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1973 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1974 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1975 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1976 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1977 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1978 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1979 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1980 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1981 Oldsmobile Cutlass\u003c\/li\u003e\n\u003cli\u003e1968 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1969 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1970 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1971 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1972 Oldsmobile F85\u003c\/li\u003e\n\u003cli\u003e1967 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1968 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1969 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e1973 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1974 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1975 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1976 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1977 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1978 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1979 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1980 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1981 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1982 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1983 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1984 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1985 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1986 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1987 Pontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003e1968 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1969 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1970 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1971 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1972 Pontiac LeMans\u003c\/li\u003e\n\u003cli\u003e1968 Pontiac Tempest\u003c\/li\u003e\n\u003cli\u003e1969 Pontiac Tempest\u003c\/li\u003e\n\u003cli\u003e1970 Pontiac Tempest\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/9b6fbad111a2499d056e81f784a08e9e.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eIs the GS401 a bolt-in shock?\u003c\/h5\u003e\u003cp\u003eYes. The GM Pro front coil-over shock bolts in and works with factory or upgraded QA1 tubular control arms.\u003c\/p\u003e\u003ch5\u003eHow much ride height adjustment is available?\u003c\/h5\u003e\u003cp\u003eThe threaded billet aluminum body offers up to 2in of ride height adjustment to set the stance.\u003c\/p\u003e\u003ch5\u003eWhat valving does the GS401 use?\u003c\/h5\u003e\u003cp\u003eThe shock is single-adjustable, firming or softening the overall ride through one knob.\u003c\/p\u003e\u003ch5\u003eCan these shocks be rebuilt?\u003c\/h5\u003e\u003cp\u003eYes. They are 100 percent dyno tested and serialized and are serviceable and rebuildable by QA1 authorized service centers, with a Limited Lifetime Warranty.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the GS401 a bolt-in shock?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The GM Pro front coil-over shock bolts in and works with factory or upgraded QA1 tubular control arms.\"}}, {\"@type\": \"Question\", \"name\": \"How much ride height adjustment is available?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The threaded billet aluminum body offers up to 2in of ride height adjustment to set the stance.\"}}, {\"@type\": \"Question\", \"name\": \"What valving does the GS401 use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The shock is single-adjustable, firming or softening the overall ride through one knob.\"}}, {\"@type\": \"Question\", \"name\": \"Can these shocks be rebuilt?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. They are 100 percent dyno tested and serialized and are serviceable and rebuildable by QA1 authorized service centers, with a Limited Lifetime Warranty.\"}}]}\u003c\/script\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":42755528523824,"sku":"QAPGS401","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/0722f4295c54acba85bc5e108a8dc82e.jpg?v=1770314717","url":"https:\/\/berryperformancesales.com\/products\/qa1-gm-pro-front-single-adjustable-coil-over-shock-qapgs401","provider":"Berry Performance Sales","version":"1.0","type":"link"}