{"product_id":"hastings-3-7-16-bore-chr-moly-piston-ring-set-060-mcs-908470","title":"Hastings, 3-7\/16\" bore chr\/moly piston ring set. +.060\"","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 41-E78 1200cc\/74\" Big Twin (Excl. Flatheads) (NU)\u003c\/p\u003e\u003cp\u003eStd cyl. bore: 3.4375\" (87.312mm). \u003cbr\u003e1st ring: 1.6mm. \u003cbr\u003e2nd ring: 1.6mm. \u003cbr\u003eoil ring: 4.75mm.\u003cbr\u003e\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(Tech tip information provided by Hastings Manufacturing Company, Inc.)\u003c\/p\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":59226434765174,"sku":"MCS-908470","price":46.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/908440k_265e9dfc-70c0-41a1-a4fa-7c5fc3980f84.jpg?v=1793623596","url":"https:\/\/www.blue-bull.nl\/products\/hastings-3-7-16-bore-chr-moly-piston-ring-set-060-mcs-908470","provider":"Blue Bull","version":"1.0","type":"link"}