{"product_id":"10-5-gm-14-bolt-4-56-ratio-thick-rear-ring-pinion-gear-set","title":"10.5\" GM 14 Bolt 4.56 Ratio Thick Rear Ring \u0026 Pinion Gear Set","description":"The USA Standard Gear ZGK2121 is a comprehensive ring and pinion installation kit designed for Chevrolet and GMC trucks equipped with a 14 Bolt rear cover. This kit provides everything needed to re-gear your differential, enhancing both performance and efficiency for daily driving, towing, and off-road adventures.\n\nThe ZGK2121 includes a robust 10.5\" GM 14 Bolt, 4.56 Ratio Thick Rear Ring \u0026amp; Pinion Gear Set, paired with a Master Installation Kit.\n\nKey features of this kit include compatibility with 14 Bolt rear covers and 12 Bolt ring gears, as well as carrier cases designed for gear ratios of 4.10 and lower. The 4.56 thick gear set is specifically chosen to maximize torque and acceleration. USA Standard Gear is recognized for its rigorous in-house quality testing, ensuring products are built to withstand demanding driving conditions.\n\nThis ZGK2121 kit is compatible with a wide range of Chevrolet and GMC models including Avalanche 2500 (2002-2006), C\/K 2500\/3500 (1989-2000), Express (1996-2015), Silverado 2500\/3500 (2001-2010), and various other truck and van platforms.","brand":"USA Standard Gear","offers":[{"title":"Default Title","offer_id":52870584762680,"sku":"ZGK2121","price":891.89,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/10-5-gm-14-bolt-4-56-ratio-thick-rear-ring-pinion-gear-set","provider":"MOTORMIA","version":"1.0","type":"link"}