{"product_id":"usa-standard-ring-pinion-gear-set-for-gm-12-bolt-car-in-a-3-90-ratio","title":"USA Standard Ring \u0026 Pinion Gear Set For GM 12 Bolt Car in a 3.90 Ratio","description":"\u003cp\u003eUSA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.\n\u003cbr\u003e12P GM 3.91 R\u0026amp;P (fits_3.90_\u0026amp;_DWN_CSE) ** USA STANDARD GEAR **\n\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \u003cli\u003e3.90 ratio\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":54093584925044,"sku":"ZG GM12P-390","price":360.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/4365\/8612\/files\/3d7f5d058c8c30c3778709c8c44b77f6_bfa2b07c-6e0e-4066-bded-be839a00ce28.jpg?v=1773609920","url":"https:\/\/downeastoffroad.com\/products\/usa-standard-ring-pinion-gear-set-for-gm-12-bolt-car-in-a-3-90-ratio","provider":"Down East Offroad ","version":"1.0","type":"link"}