{"product_id":"hastings-2m4985005","title":"Erstatnings-stempelringssæt, 4-takt","description":"\u003cdetails class=\"m58-leverandoer\"\u003e\u003csummary\u003eBeskrivelse fra leverandøren (engelsk)\u003c\/summary\u003e\u003cp\u003eReplacement Piston Rings\u003c\/p\u003e\n\u003cp\u003eFor KB pistons only, not for OEM pistons.\u003c\/p\u003e\n\u003cp\u003eOnly enough rings for one piston.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes top compression rings, second compression rings, and oil control rings\u003c\/li\u003e\n\u003cli\u003eTop Compression Rings are Barrel Face\u003c\/li\u003e\n\u003cli\u003eHelps in the the heat transfer process between the piston and cylinder wall\u003c\/li\u003e\n\u003cli\u003eControls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft\u003c\/li\u003e\n\u003cli\u003eSecond Compression Ring are Reverse Torsional Taper Face\u003c\/li\u003e\n\u003cli\u003ePromotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy\u003c\/li\u003e\n\u003cli\u003eReverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring\u003c\/li\u003e\n\u003cli\u003eOil Control Rings are Three Piece Flex Vent\u003c\/li\u003e\n\u003cli\u003eThree-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore\u003c\/li\u003e\n\u003cli\u003eProvides uniform pressure through four steel rails and two expanders assuring positive oil control\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eDue to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.\u003c\/li\u003e\n\u003cli\u003eIncludes enough rings for two pistons (unless noted).\u003c\/li\u003e\n\u003cli\u003eTwo rings per groove, except for the rails that will be two rail rings per one expander ring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/details\u003e","brand":"Hastings","offers":[{"title":"Default Title","offer_id":54472366424411,"sku":"HASTINGS-2M4985005","price":179.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/8986\/7099\/files\/DS750875_01_988869f9-8a2a-4e61-af20-28833d2526c5.jpg?v=1793262072","url":"https:\/\/m58.dk\/products\/hastings-2m4985005","provider":"M58 Motorsport","version":"1.0","type":"link"}