{"product_id":"mcs961369","title":"Jims 84-99 Billet Tappet Block Set. Polished – 1984–1999 Evo Big Twin","description":"\u003ch2\u003eJims 84-99 Billet Tappet Block Set. Polished – 1984–1999 Evo Big Twin\u003c\/h2\u003e\n\u003cp\u003eManufactured from billet 7075-T651 aluminum. Can be used as a stock replacement and with valve lifts up to .655\" (at the valve). OEM rocker arm ratio is 1.65:1 in Evo heads. Will clear most small base circle cams with .600\" lift or more. JIMS recommends a minimum roller to block clearance of .035\". For higher lifts a simple clearance modification is required. This set will replace; and is a upgrade; for OEM 18542-83A and 18540-83A.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e84-99 Evo Big Twin (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Jims\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; TAPPET BLOCKS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 961369\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jim's","offers":[{"title":"Default Title","offer_id":57378858631555,"sku":"MCS961369","price":588.15,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/961369k_8c618e2b-921f-4a24-8841-a2097ffc4578.jpg?v=1775574949","url":"https:\/\/hogparts.com\/products\/mcs961369","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}