{"product_id":"hastings-3-7-8-chr-moly-piston-ring-set-020","title":"Hastings 3-7\/8\" chr\/moly piston ring set - +.020\"","description":"\u003cp\u003eReplacement for 99-06 Twin Cam models that are equipped with the 95\" (1550cc) 3-7\/8\" OEM big bore kit. Also fits 07-17 Twin Cam 103\" (1690cc) engine. \r\nStd cyl. bore: 3.875\" (98.425mm). \r\n1st ring: 1.5mm. \r\n2nd ring: 1.5mm. \r\noil ring: 2.5mm.  \r\n\r\nTech tip: Piston grooves vs piston rings. \r\nIt'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. \r\nTech tip: Piston oversizes. \r\nFor each oversize cylinder diameter will increase with .010\" (0.254mm). The standard bore of the cylinder is listed for reference. \r\n(Information provided by Hastings Manufacturing Company, Inc.)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Piston rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 2M4941020\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":63341776273738,"sku":"MSH-915353","price":87.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/908440k_8967d97f-4104-432d-99bf-b5c79f3ec5da.jpg?v=1787726353","url":"https:\/\/partsdenmark.com\/es\/products\/hastings-3-7-8-chr-moly-piston-ring-set-020","provider":"Parts Denmark","version":"1.0","type":"link"}