{"product_id":"hpi-racing-87064-differential-ring-13-8x21mm-d-cut-4pcs-cup-racer-1m-1","title":"HPI Racing 87064 Differential Ring 13.8x21mm D-Cut (4pcs) Cup Racer 1M","description":"\u003cp\u003e\u003cstrong\u003eHPI Racing 87064 Differential Ring 13.8x21mm D-Cut (4pcs) Cup Racer 1M\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is a genuine HPI Racing pack of D-cut differential rings in 13.8x21mm size, supplied as a set of 4 for the Cup Racer 1M. Diff rings are core components of the differential, and their surface condition directly affects diff smoothness.\u003c\/p\u003e\u003cp\u003eFresh rings during a rebuild restore silky, consistent differential action. Each ring matches the factory originals exactly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine HPI Racing replacement part #87064\u003c\/li\u003e\n\u003cli\u003eDifferential rings, 13.8x21mm, D-cut\u003c\/li\u003e\n\u003cli\u003ePack of 4\u003c\/li\u003e\n\u003cli\u003eFits the HPI Cup Racer 1M\u003c\/li\u003e\n\u003cli\u003eRestores smooth differential action\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PowerHobby","offers":[{"title":"Default Title","offer_id":44462709571672,"sku":"HPI87064","price":5.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/0554\/8376\/files\/87064_178dd7ab-012e-4aa8-9d2f-45559bd7bfce.jpg?v=1785039872","url":"https:\/\/beavertonmilestonehobby.com\/products\/hpi-racing-87064-differential-ring-13-8x21mm-d-cut-4pcs-cup-racer-1m-1","provider":"Beaverton Milestone Hobby","version":"1.0","type":"link"}