{"product_id":"bdl-1-1-2-primary-belt-drive-kit-closed-kickstart-37-54-4-speed-big-twin-nu","title":"BDL, 1-1\/2\" primary belt drive kit. Closed. Kickstart — 37-54 4-speed Big Twin (NU)","description":"8mm pitch. Without idler. Kickstart only. Comes as pulley \u0026amp; belt kit only. Stock clutch can be re-used. 62-39 drive ratio.   Note: See 970974 for the replacement 1-1\/2\" wide 132t. 8mm belt.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 37-54 4-speed Big Twin (NU)\u003c\/p\u003e","brand":"Belt Drives Ltd.","offers":[{"title":"Default Title","offer_id":54237208740167,"sku":"971000","price":782.16,"currency_code":"EUR","in_stock":false}],"url":"https:\/\/www.chopperessentials.com\/products\/bdl-1-1-2-primary-belt-drive-kit-closed-kickstart-37-54-4-speed-big-twin-nu","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}