{"product_id":"gbf250-1","title":"GBF250-1 - 1978-1988 GM G-Body Shock\/Spring Lowering Kit, Double Adj. Shocks","description":"\u003cp\u003eUMI’s lowering kit includes Viking double adjustable shocks, hybrid front coil-overs with 250 lb springs, and 1\" or 2\" rear lowering springs. Designed for drag racing, it improves weight transfer and traction with adjustable ride height.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cp\u003eUMI’s lowering package features four Viking double adjustable shocks, a hybrid front coil-over spring system with 250 lb front springs, and your choice of 1 or 2-inch UMI rear lowering springs. The 250 lb springs are 11\" tall and intended exclusively for drag racing applications with significant vehicle weight reduction, providing excellent front-end lift and weight transfer for improved traction. The hybrid front coil-over system allows a 0–3\" adjustable drop, while the rear springs offer 1\" or 2\" lowering options to fine-tune stance. Viking’s shocks provide 19 compression and 19 rebound settings, letting you dial in suspension performance for street, strip, or cornering with simple knob adjustments—no tools required. The bolt-in design eliminates the need for welding or a spring compressor for the front, and optional Spanner Wrench and Thrust Bearing Kits make height adjustments smoother. This setup is purpose-built for drag racing performance and is not recommended for street handling applications.\u003c\/p\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eUMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs.\u003c\/p\u003e\n\u003ch3\u003eShort Description\u003c\/h3\u003e\n\u003cp\u003eLowering Kit\u003c\/p\u003e\n\u003ch3\u003eApplication Summary\u003c\/h3\u003e\n\u003cp\u003eUMI designed GBF250 to fit 1978-1988 GM G-Body\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e0-3\" lowering range up front, 1 or 2 inch choice for the rear\u003c\/li\u003e\n\u003cli\u003eLower ride height improves handling by lowering center of gravity\u003c\/li\u003e\n\u003cli\u003eLower ride height improves handling by placing the upper a-arm in a more favorable angle\u003c\/li\u003e\n\u003cli\u003eViking features Premium quality Made In USA springs, shot peened and coated for durability\u003c\/li\u003e\n\u003cli\u003eEasy front height adjustment with optional Torrington bearings and wrench\u003c\/li\u003e\n\u003cli\u003eShocks hand built in Lakeville, Minnesota\u003c\/li\u003e\n\u003cli\u003eDouble adjustable features 19 independent compression and rebound settings (for a total of 361 possible combinations)\u003c\/li\u003e\n\u003cli\u003eTune for street, strip or corner carving at the turn of a knob\u003c\/li\u003e\n\u003cli\u003eno tools required\u003c\/li\u003e\n\u003cli\u003eBaseline shock settings\u003c\/li\u003e\n\u003cli\u003e6C,8R all around street, 10C,12R all around corner carving, 6C,2R front and 6C,6R rear strip\u003c\/li\u003e\n\u003cli\u003eBolt in kit, no welding required. And best of all, no spring compressor required up front\u003c\/li\u003e\n\u003cli\u003eFront coil over shocks, double adjustable\u003c\/li\u003e\n\u003cli\u003eRear shocks, double adjustable\u003c\/li\u003e\n\u003cli\u003eSpanner wrench tool is used to adjust vehicle height while shock stays mounted\u003c\/li\u003e\n\u003cli\u003eThrust bearing kit designed for easier adjustments but not needed for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Info\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003eGBF250-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003ePart Type\u003c\/th\u003e\n\u003ctd\u003eCoilover Adjustable Spring Lowering Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eHS Code\u003c\/th\u003e\n\u003ctd\u003e8708807000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Packages\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;\"\u003ePackage\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eQty\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eWeight\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eDimensions\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eGTIN\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBox\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e45.0 lb\u003c\/td\u003e\n\u003ctd\u003eL 36.0 x W 12.0 x H 12.0 Inches\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eAdjustable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eCalifornia Proposition 65\u003c\/th\u003e\n\u003ctd\u003eWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eColor\u003c\/th\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eFront Shock Type\u003c\/th\u003e\n\u003ctd\u003eCoilover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eGrade Type\u003c\/th\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eLowering Amount\u003c\/th\u003e\n\u003ctd\u003e1\" Lowering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eMounting Hardware Included\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eMounting Method\u003c\/th\u003e\n\u003ctd\u003eBolt On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003ePre-Greased\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eRear Shock Type\u003c\/th\u003e\n\u003ctd\u003eMonotube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eRear Spring Lowering\u003c\/th\u003e\n\u003ctd\u003e1\" Lowering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eSpring Color\u003c\/th\u003e\n\u003ctd\u003eBlack, Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eSpring Rate\u003c\/th\u003e\n\u003ctd\u003e250.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eSuspension Grade Type\u003c\/th\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:12px;\"\u003eUniversal Or Specific Fit\u003c\/th\u003e\n\u003ctd\u003eSpecific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;\"\u003eYear\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1987\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eRegal\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1987\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1983\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMalibu\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1988\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1987\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eCaballero\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1984\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Calais\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982-1988\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Ciera\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1981\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985-1988\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1980\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Salon\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1985-1987\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Salon\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1980-1983\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Cruiser\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1988\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass Supreme\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1982-1986\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eBonneville\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1987\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGrand Prix\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"UMI","offers":[{"title":"Box","offer_id":46381338230915,"sku":"GBF250-1-BX","price":1349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/5114\/3555\/files\/44f3a32bfbbcd73f701050d6a77efcab.jpg?v=1768889864","url":"https:\/\/mcbparts.com\/products\/gbf250-1","provider":"Matt's Classic Bowties","version":"1.0","type":"link"}