{"product_id":"umi-performance-64-72-gm-a-body-tubular-front-lower-a-arms-polyurethane-bushings","title":"UMI Performance 64-72 GM A-Body Tubular Front Lower A-Arms Polyurethane Bushings","description":"\u003cp\u003eUMI Performance 64-72 GM A-Body Tubular Front Lower A-Arms Polyurethane Bushings is UMI Performance manufacturer part number 4031-B, selected by the verified year, make, and model applications below. Tired of dealing with worn-out, old lower a-arms on your vehicle? UMI has the solution with brand new tubular lower a-arms. These a-arms are fabricated from high-quality materials and designed for a precision fit. They are jig built for accuracy and are TIG welded for superior strength. UMI's lower a-arms also feature improved ball joint angles for lowered vehicles and provide additional tire clearance. Our lower a-arms come fully assembled with greaseable polyurethane bushings, premium ball joints, and polyurethane bump stops. They are compatible with factory springs, lowering springs, and coil over kits without any modifications needed. For optimal handling and performance, we recommend pairing them with UMI upper a-arms. UMI Performance lower a-arms are proudly designed and manufactured\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExact UMI Performance manufacturer part number 4031-B\u003c\/li\u003e\n\u003cli\u003ePurpose-built control arms 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\u003e4031-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eControl Arms\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 control arms package identified by manufacturer part number 4031-B, 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-tubular-lower-control-arms\"\u003eUMI Performance 64-72 GM A-Body Tubular Lower Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/umi-performance-64-72-gm-a-body-tubular-lower-control-arms-1\"\u003eUMI Performance 64-72 GM A-Body Tubular Lower Control Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/umi-performance-64-72-gm-a-body-tubular-upper-lower-front-a-arm-kit-black\"\u003eUMI Performance 64-72 GM A-Body Tubular Upper \u0026amp; Lower Front A-Arm Kit - Black\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 4031-B 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 4031-B?\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 4031-B?\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 4031-B. 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":41532049915983,"sku":"UMI4031-B","price":728.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/9c3770c1c8285a4aa443c5a2761de12a.jpg?v=1713883636","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/umi-performance-64-72-gm-a-body-tubular-front-lower-a-arms-polyurethane-bushings","provider":"Black Ops Auto Works","version":"1.0","type":"link"}