{"product_id":"umi-performance-c10-c15-lowering-suspension-kit-1973-1987-gphp-6400-1","title":"UMI Performance C10\/C15 Lowering Suspension Kit — 1973-1987 Chevy \u0026 GMC Trucks \u0026 Suburbans | 4.5in Front \/ 6in Rear Drop | 6400-1","description":"\u003cp\u003eUMI Performance's C10 lowering suspension kit drops the front 4.5 inches and the rear 6 inches for an aggressive lowered stance on 1973 through 1987 GM C10 and C15 fullsize trucks and Suburbans. The kit combines lowering coil springs, spindles, and the required hardware so the ride height comes down while the suspension geometry stays sorted for street driving. UMI Performance manufactures this kit in the USA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart type: Front and rear lowering suspension kit\u003c\/li\u003e\n\u003cli\u003eFront drop: 4.5 inches\u003c\/li\u003e\n\u003cli\u003eRear drop: 6 inches\u003c\/li\u003e\n\u003cli\u003eIncludes: Lowering coil springs, spindles, hardware\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003ePart number: 6400-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1975 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1976 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1977 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1984 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1985 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet C10\u003c\/li\u003e\n\u003cli\u003e1973 Chevrolet C10 Pickup\u003c\/li\u003e\n\u003cli\u003e1974 Chevrolet C10 Pickup\u003c\/li\u003e\n\u003cli\u003e1973 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1974 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1975 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1976 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1977 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1978 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1979 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1980 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1981 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1982 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1983 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1984 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1985 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1986 Chevrolet C10 Suburban\u003c\/li\u003e\n\u003cli\u003e1987 Chevrolet R10\u003c\/li\u003e\n\u003cli\u003e1975 GMC C15\u003c\/li\u003e\n\u003cli\u003e1976 GMC C15\u003c\/li\u003e\n\u003cli\u003e1977 GMC C15\u003c\/li\u003e\n\u003cli\u003e1978 GMC C15\u003c\/li\u003e\n\u003cli\u003e1975 GMC C15 Suburban\u003c\/li\u003e\n\u003cli\u003e1976 GMC C15 Suburban\u003c\/li\u003e\n\u003cli\u003e1977 GMC C15 Suburban\u003c\/li\u003e\n\u003cli\u003e1978 GMC C15 Suburban\u003c\/li\u003e\n\u003cli\u003e1973 GMC C15\/C1500 Pickup\u003c\/li\u003e\n\u003cli\u003e1974 GMC C15\/C1500 Pickup\u003c\/li\u003e\n\u003cli\u003e1979 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1980 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1981 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1982 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1983 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1984 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1985 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1986 GMC C1500\u003c\/li\u003e\n\u003cli\u003e1987 GMC R1500\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch5\u003eWhat does the UMI Performance 6400-1 lowering kit include?\u003c\/h5\u003e\n\u003cp\u003eIt includes lowering coil springs, spindles, and the mounting hardware needed to lower the front 4.5 inches and the rear 6 inches.\u003c\/p\u003e\n\u003ch5\u003eWhat vehicles does the 6400-1 lowering kit fit?\u003c\/h5\u003e\n\u003cp\u003eIt fits 1973 through 1987 Chevrolet and GMC C10 and C15 fullsize trucks and Suburbans. See the Vehicle Applications list for exact years.\u003c\/p\u003e\n\u003ch5\u003eHow much does this kit lower the truck?\u003c\/h5\u003e\n\u003cp\u003eThe kit lowers the front 4.5 inches and the rear 6 inches.\u003c\/p\u003e\n\u003ch5\u003eWhere is the 6400-1 lowering kit made?\u003c\/h5\u003e\n\u003cp\u003eUMI Performance manufactures this lowering kit in the USA.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the UMI Performance 6400-1 lowering kit include?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It includes lowering coil springs, spindles, and the mounting hardware needed to lower the front 4.5 inches and the rear 6 inches.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles does the 6400-1 lowering kit fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It fits 1973 through 1987 Chevrolet and GMC C10 and C15 fullsize trucks and Suburbans. See the Vehicle Applications list for exact years.\"}},{\"@type\":\"Question\",\"name\":\"How much does this kit lower the truck?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The kit lowers the front 4.5 inches and the rear 6 inches.\"}},{\"@type\":\"Question\",\"name\":\"Where is the 6400-1 lowering kit made?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"UMI Performance manufactures this lowering kit in the USA.\"}}]}\u003c\/script\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":42635596070960,"sku":"GPHP_6400-1","price":1138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/UMI6400-1.jpg?v=1765286390","url":"https:\/\/berryperformancesales.com\/products\/umi-performance-c10-c15-lowering-suspension-kit-1973-1987-gphp-6400-1","provider":"Berry Performance Sales","version":"1.0","type":"link"}