{"product_id":"hastings-3-1-2-bore-piston-ring-set-chr-moly-040-mcs-908666","title":"Hastings, 3-1\/2\" bore piston ring set. Chr\/Moly. +.040\"","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 84-99 Evo Big Twin; 88-03 XL Sportster 1200 (NU)\u003c\/p\u003e\u003cp\u003eStd cyl. bore: 3.4980\" (88.85 mm). \u003cbr\u003e1st. ring: 1.6mm. \u003cbr\u003e2nd ring: 1.6mm. \u003cbr\u003eoil ring: 4.0mm. \u003cbr\u003e\u003cbr\u003eTech tip: Piston grooves vs piston rings. \u003cbr\u003eIt's not difficult to determine if a Hastings piston ring set will fit a certain piston. You should measure the height of the piston groove in the piston itself. The 2 top grooves will be for compression rings, the lower groove will be for the oil ring. In most cases Hastings oil rings are of the low tension 3-piece flex vent type. Ring heights are listed for reference. \u003cbr\u003eTech tip: Piston oversizes. \u003cbr\u003eFor each oversize cylinder diameter will increase with .010\" (0.254mm). The standard bore of the cylinder is listed for reference. \u003cbr\u003e(Information provided by Hastings Manufacturing Company, Inc.).\u003c\/p\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":59226444693878,"sku":"MCS-908666","price":42.54,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/908440k_63dcd9db-01ee-4962-97ef-cabb4a7b9399.jpg?v=1793623613","url":"https:\/\/www.blue-bull.nl\/products\/hastings-3-1-2-bore-piston-ring-set-chr-moly-040-mcs-908666","provider":"Blue Bull","version":"1.0","type":"link"}