{"product_id":"umi-performance-64-72-gm-a-body-rear-coilover-kit-control-arm-relocation-bolt-in","title":"UMI Performance 64-72 GM A-Body Rear Coilover Kit Control Arm Relocation Bolt In","description":"\u003cp\u003eUMI Performance 64-72 GM A-Body Rear Coilover Kit Control Arm Relocation Bolt In is UMI Performance manufacturer part number 4057, selected by the verified year, make, and model applications below. Upgrade your 1964-1972 GM A-Body's rear suspension with 4057 Coil Over Conversion Brackets from UMI. Adjustable ride height, spring rate, and damping for optimal performance. Proudly made in USA.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExact UMI Performance manufacturer part number 4057\u003c\/li\u003e\n\u003cli\u003ePurpose-built coilovers configuration identified by the listing title\u003c\/li\u003e\n\u003cli\u003eNew aftermarket component supplied in the exact configuration shown\u003c\/li\u003e\n\u003cli\u003eSelection requires confirmation of every dimension, interface, mating component, and manufacturer note\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eApplication Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1972\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968-1969\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS 350\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968-1969\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS 400\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1972\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS 455\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1967\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGran Sport\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1969\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSpecial\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSportwagon\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eChevelle\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1967\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMalibu\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971-1972\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSprint\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1971\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eVista Cruiser\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969-1972\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGrand Prix\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1972\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1970\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eTempest\u003c\/td\u003e\n\u003ctd\u003eConfirm every UMI Performance application note and factory configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eUMI Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e4057\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCoilovers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication Type\u003c\/th\u003e\n\u003ctd\u003eVehicle Specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new UMI Performance coilovers package identified by manufacturer part number 4057, plus only the hardware and accessories expressly shown or stated for this exact part number\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout UMI Performance\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eUMI Performance designs and manufactures suspension, chassis, steering, and handling components for American performance vehicles in Philipsburg, Pennsylvania.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated UMI Performance Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/collections\/umi-performance\"\u003eShop all UMI Performance products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/umi-performance-64-72-gm-a-body-rear-coilover-brackets-bolt-in-175lb-spring-rate\"\u003eUMI Performance 64-72 GM A-Body Rear Coilover Brackets Bolt In (175LB Spring Rate)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/umi-performance-78-88-g-body-82-03-s10-s15-73-77-a-body-front-coilover-kit\"\u003eUMI Performance 78-88 G-Body 82-03 S10\/S15 73-77 A-Body Front Coilover Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/umi-performance-viking-82-02-gm-f-body-rear-coil-over-kit-w-full-ride-height-adjustment\"\u003eUMI Performance Viking 82-02 GM F-Body Rear Coil Over Kit w\/ Full Ride Height Adjustment\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I confirm UMI Performance 4057 is correct for my application?\u003c\/strong\u003e\u003cbr\u003eMatch the exact manufacturer part number, year, make, model, factory configuration, dimensions, connection points, and every current UMI Performance note.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre similar UMI Performance parts interchangeable with 4057?\u003c\/strong\u003e\u003cbr\u003eNo. Mounting points, dimensions, adjustment range, material, finish, bushing style, and included hardware can differ between part numbers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked after installing UMI Performance 4057?\u003c\/strong\u003e\u003cbr\u003eInspect fasteners, bushings, joints, clearances, alignment, ride height, and suspension movement after installation and again after the initial road test.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current UMI Performance instructions for manufacturer part number 4057. Confirm all torque values, mounting locations, bushings, joints, clearances, ride height, and alignment requirements. Professional installation and a post-installation alignment are recommended when the component changes suspension geometry.\u003c\/p\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":40526222852175,"sku":"UMI4057","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/umi-performance-64-72-gm-a-body-rear-coilover-kit-control-arm-relocation-bolt-in-coilovers-umi-performance.jpg?v=1700068888","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/umi-performance-64-72-gm-a-body-rear-coilover-kit-control-arm-relocation-bolt-in","provider":"Black Ops Auto Works","version":"1.0","type":"link"}