{"product_id":"york-softail-rear-chain-drive-kit-6","title":"York Softail Rear Chain Drive Kit","description":"\u003cp\u003eYork Softail rear chain kit is for 5 speed models. Stock ratio is supplied with steel sprockets  22 tooth front and a 48 tooth rear.\n\u003cbr\u003eConverision kit includes everything needed to convert 1987-2006 5 speed belt drive system to a heavy duty 530 chain drive. This kit is for a stock size rear tire. Chain will have to be cut to length  breaker and master link included.  *NOTE: Use existing pulley spacer behind the transmission 22 tooth sprocket. *NOTE: 530 120 link heavy duty york chain included  with chain breaker so installer can cut chain to desired length for each application. When using a 21 tooth front sprocket: 48 tooth rear sprocket = 4% deeper (faster acceleration)  49 tooth rear sprocket = 6.5% deeper and 51 tooth rear sprocket = 10.5$ deeper.  When using a 22 tooth front sprocket: 48 tooth rear sprocket = 2.5 inch overdrive (more top speed)  48 tooth rear sprocket - stock belt drive ratio  49 tooth rear sprocket = 4% deeper (faster acceleration) and 51 tooth rear sprocket = 6% deeper. \n\u003cbr\u003e Measurements: Outer Diameter: 4-3\/8 inches \n\u003cbr\u003e Tech Notes: *NOTE: Includes inchDiamondinch standard 530 x 120 link drive chain with master link. Installer must cut to desired length . Use chain puller to bring to length  then brak at link.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":67626238673081,"sku":"19-0169","price":314.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/0179\/2441\/files\/19-0169a.jpg?v=1790915884","url":"https:\/\/www.thespeedshopusa.com\/fr\/products\/york-softail-rear-chain-drive-kit-6","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}