{"product_id":"jims-roller-rocker-arms-engine-4","title":"Jims Roller Rocker Arms – Engine","description":"\u003cp\u003ePrecision manufactured roller rocker arms, made by Jims in the USA. The 1.625 ratio can also be used to replace OEM 17360-83 and 17375-83. The 1.7 ratio is for a custom valve train set up, where a super high lift is required. Roller rockers improve valve train geometry and efficiency. They always must be installed with adjustable push rods. Rocker shafts and push rods must be ordered separately.\u003c\/p\u003e\n\u003cp\u003eFits 1984-1999 Evolution Big Twin, 1999-2017 Twin Cam, 1986-2022 Evolution Sportster and 1991-2010 air cooled Buell, Stock 1.625 ratio roller rockers, set of four\u003c\/p\u003e\n\u003cp\u003eJims Roller Rockers BT84-17 XL86-up\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Rocker Parts\u003c\/li\u003e\u003c\/ul\u003e","brand":"Jims","offers":[{"title":"Default Title","offer_id":62566495846730,"sku":"235869","price":1325.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/standard-rgba_2d0d17c5-f733-4f1a-95d1-9a3782cf56f6.png?v=1782767340","url":"https:\/\/partsdenmark.com\/products\/jims-roller-rocker-arms-engine-4","provider":"Parts Denmark","version":"1.0","type":"link"}