{"product_id":"speedway-1970-1976-gm-10-bolt-8-5-ring-u0026-pinion-3-73-ratio","title":"10 Bolt 8.5 Ring \u0026 Pinion, 3.73 Ratio Z231","description":"Many 8.5 Inch ring and pinion ratios to choose from. 8.50\" diameter ring gear 1.625\" diameter pinion For rear axle application that uses 10 ring gear bolts \u0026amp; 10 cover bolts 30 pinion splines Uses LH thread ring gear bolts - 7\/16\"-20 8.5 R\u0026amp;P Note: When replacing a stock 2.56 (or numerically lower) ratio 8.5 Inch Ring and Pinion, the carrier must also be replaced with a 2.73 or higher ratio's carrier to compensate for the difference in ring gear thickness.","brand":"My Store","offers":[{"title":"Default Title","offer_id":52976419373373,"sku":"P353532962962283147","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/4021\/7661\/files\/f957b49d373178ec5a1523b4b10390dda9b52174ab8a21f8232e539c02689d46.jpg?v=1788596030","url":"https:\/\/vanona.shop\/products\/speedway-1970-1976-gm-10-bolt-8-5-ring-u0026-pinion-3-73-ratio","provider":"My Store","version":"1.0","type":"link"}