{"product_id":"qa1-gm-pro-coil-system-double-adjustable-bjgm-gd401-10450b","title":"QA1 GM Pro Coil System Double Adjustable | 1968-1972 GM A-Body | GD401-10450B","description":"\u003cp\u003eThis QA1 GM Pro Coil System delivers fully adjustable ride height and valving control. It uses independent compression and rebound double adjustable valving in a lightweight billet aluminum body with a fully threaded body for ride height adjustment. The kit includes a 10 inch high travel spring rated at 450 with a tapered flat end. It has a compressed length of 10.13 inches and an extended length of 14 inches. These systems are sold in pairs, are 100 percent dyno tested, serialized and made in the USA, and are used in drag racing, street performance, autocross, road racing and street rod applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: GM Pro Coil System (coil-over shock and spring)\u003c\/li\u003e\n\u003cli\u003eValving: independent compression and rebound double adjustable\u003c\/li\u003e\n\u003cli\u003eBody: lightweight billet aluminum, fully threaded for ride height adjustment\u003c\/li\u003e\n\u003cli\u003eSpring: 10 in high travel, 450 rate, tapered flat end\u003c\/li\u003e\n\u003cli\u003eCompressed length: 10.13 in\u003c\/li\u003e\n\u003cli\u003eExtended length: 14 in\u003c\/li\u003e\n\u003cli\u003eSold in pairs\u003c\/li\u003e\n\u003cli\u003eMade in the USA, dyno tested and serialized\u003c\/li\u003e\n\u003cli\u003ePart number: GD401-10450B\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Applications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\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\u003e1968 Buick Special\u003c\/li\u003e\n\u003cli\u003e1969 Buick Special\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\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\u003e1971 GMC Sprint\u003c\/li\u003e\n\u003cli\u003e1972 GMC Sprint\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\u003e1968 Oldsmobile Vista Cruiser\u003c\/li\u003e\n\u003cli\u003e1969 Oldsmobile Vista Cruiser\u003c\/li\u003e\n\u003cli\u003e1970 Oldsmobile Vista Cruiser\u003c\/li\u003e\n\u003cli\u003e1971 Oldsmobile Vista Cruiser\u003c\/li\u003e\n\u003cli\u003e1972 Oldsmobile Vista Cruiser\u003c\/li\u003e\n\u003cli\u003e1968 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e1969 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e1970 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e1971 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e1972 Pontiac GTO\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\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat is included with the GD401-10450B Pro Coil System?\u003c\/h5\u003e\u003cp\u003eIt includes QA1 billet aluminum double adjustable coil-over shocks with 10 inch 450 rate high travel springs and is sold in pairs.\u003c\/p\u003e\u003ch5\u003eWhat valving does this system use?\u003c\/h5\u003e\u003cp\u003eIt uses independent compression and rebound double adjustable valving, so compression and rebound can be tuned separately.\u003c\/p\u003e\u003ch5\u003eIs the ride height adjustable?\u003c\/h5\u003e\u003cp\u003eYes. The fully threaded shock body lets ride height be adjusted for the desired stance and corner weighting.\u003c\/p\u003e\u003ch5\u003eWhat vehicles does this kit fit?\u003c\/h5\u003e\u003cp\u003eIt fits the GM applications listed in the vehicle applications section above.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is included with the GD401-10450B Pro Coil System?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It includes QA1 billet aluminum double adjustable coil-over shocks with 10 inch 450 rate high travel springs and is sold in pairs.\"}}, {\"@type\": \"Question\", \"name\": \"What valving does this system use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It uses independent compression and rebound double adjustable valving, so compression and rebound can be tuned separately.\"}}, {\"@type\": \"Question\", \"name\": \"Is the ride height adjustable?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The fully threaded shock body lets ride height be adjusted for the desired stance and corner weighting.\"}}, {\"@type\": \"Question\", \"name\": \"What vehicles does this kit fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits the GM applications listed in the vehicle applications section above.\"}}]}\u003c\/script\u003e","brand":"QA1","offers":[{"title":"Default Title","offer_id":42720390676528,"sku":"BJGM_GD401-10450B","price":964.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/63a61b14ff495_9cf509c2-79d9-4b5b-a015-a13746c0b385.jpg?v=1769097361","url":"https:\/\/berryperformancesales.com\/products\/qa1-gm-pro-coil-system-double-adjustable-bjgm-gd401-10450b","provider":"Berry Performance Sales","version":"1.0","type":"link"}