{"product_id":"umi-performance-6400-1-73-87-gm-c10-lowering-kit-4-5in-front-6in-rear-with-umi-shocks","title":"UMI Performance 6400-1 - 73-87 GM C10 Lowering Kit (4.5in Front\/6in Rear) with UMI shocks","description":"\u003cp\u003eUMI Performance 6400-1 - 73-87 GM C10 Lowering Kit (4.5in Front\/6in Rear) with UMI shocks\u003c\/p\u003e\u003cp\u003eLowering Kit - 4.5 in Front \/ 6 in Rear - Coil Springs \/ Hardware \/ Spindles - GM Fullsize Truck 1973-87 - Kit\u003c\/p\u003e\u003cp\u003eUMI’s 6400-1 kit drops C10s 4.5”\/6” for improved stance and handling. Includes drop spindles, springs, Bilstein B6 shocks, and rear flip kit—no notch needed. Fits ’73–80; ’81–87 require 1.25” rotor upgrade.\u003c\/p\u003e\u003cp\u003eDesigned specifically for the 1973-1980 GM C10 trucks, these spindles  fit perfectly with 1-1\/4\" brake rotors. If you own a 1981-1987 model,  you might find that it comes with 1\" brake rotors. In such cases, you'll  need to upgrade to the 1-1\/4\" rotors used on the earlier models to  ensure compatibility and optimal performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4.5” front \/ 6” rear drop for a low, aggressive stance\u003c\/li\u003e\n\u003cli\u003eImproves overall handling and ride quality\u003c\/li\u003e\n\u003cli\u003eIncludes 2.5” drop spindles, 2” lowering springs, and rear flip kit\u003c\/li\u003e\n\u003cli\u003eSatin black powder-coated components for durability and clean appearance\u003c\/li\u003e\n\u003cli\u003eNo cutting required lowering solution\u003c\/li\u003e\n\u003cli\u003eUpgradeable with UMI shocks and sway bars for enhanced performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdjustable\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdjustable\u003c\/strong\u003e: \u003cspan\u003eDouble\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBushing Color\u003c\/strong\u003e: \u003cspan\u003eRed\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBushing Material\u003c\/strong\u003e: \u003cspan\u003ePolyurethane\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBushings Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: \u003cspan\u003eBlack\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eRed Powdercoated\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eBlack Powdercoated\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eSteel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMounting Hardware Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMounting Method\u003c\/strong\u003e: \u003cspan\u003eBolt On\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSway Bar Color\u003c\/strong\u003e: \u003cspan\u003eRed Powdercoated\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":49954445328662,"sku":"GPHP-6400-1","price":1060.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_6400-1-1_normalized.jpg?v=1776963065","url":"https:\/\/www.cspracing.com\/products\/umi-performance-6400-1-73-87-gm-c10-lowering-kit-4-5in-front-6in-rear-with-umi-shocks","provider":"Complete Street Performance","version":"1.0","type":"link"}