{"product_id":"readylift-2019-2026-gmc-at4-and-chevy-trail-boss-1-75-leveling-kit","title":"ReadyLift 2019-2026 GMC AT4 And Chevy Trail Boss - 1.75'' Leveling Kit","description":"\u003cdiv\u003e\n\u003ch1\u003eReadyLIFT 66-3921 1.75\" Leveling Kit for 2019-2026 GMC AT4 and Chevy Trail Boss\u003c\/h1\u003e\n\u003cul\u003e \u003cli\u003e1.75\" front leveling lift engineered to restore balance on 2019–2026 GM 1500 pickups without interfering with factory strut geometry or causing binding with the control arm ball joint and lower CV\/axle components.\u003c\/li\u003e \u003cli\u003eIncludes tubular upper control arms with corrected ball joint cup angles and heavy-duty replaceable ball joints for consistent alignment and long-lasting performance.\u003c\/li\u003e \u003cli\u003eTerrain Control Technology (TCT) maintenance-free pivot bushings with side-biter washers to improve alignment retention.\u003c\/li\u003e \u003cli\u003eSimilar to ReadyLIFT’s proven 66-3086 design, offering a trusted upgrade path for retrofitting with modern GM trucks without the typical fitment issues.\u003c\/li\u003e \u003cli\u003eMax tire size guidance: AT4 accepts up to 275\/60-20 on 20x9 wheels with 0 offset; Trail Boss accepts up to 295\/65-20 on 20x9 wheels with 0 offset.\u003c\/li\u003e \u003cli\u003eNote on compatibility: Not compatible with Sierra AT4X or Silverado ZR2 Edition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"ReadyLift","offers":[{"title":"Default Title","offer_id":45707475419196,"sku":"66-3921","price":529.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0682\/3234\/7708\/files\/RL-1-75-LEVELING-KIT.webp?v=1782454284","url":"https:\/\/autoexpedition.com\/products\/readylift-2019-2026-gmc-at4-and-chevy-trail-boss-1-75-leveling-kit","provider":"Auto Expedition","version":"1.0","type":"link"}