{"product_id":"hastings-ds-750823-2m6482030-replacement-piston-rings-piston-rings-3-437-0-030-74-big-twin-2m6482030","title":"Hastings Piston Ring Set - 2M6482030 For Harley Motorcycles 1953-1980","description":"\n\u003ch2\u003eFeatures\u003c\/h2\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\n\u003cbr\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding Style\u003c\/td\u003e\n\u003ctd\u003eStreet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePiston Ring Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRing Material\u003c\/td\u003e\n\u003ctd\u003eMoly Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003e+0,030\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e3.437\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003ePerformance Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnits\u003c\/td\u003e\n\u003ctd\u003eSet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Oversize\u003c\/td\u003e\n\u003ctd\u003e+0.030\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch2\u003ePart Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKit Includes:\u003c\/li\u003e\n\u003cli\u003e• 2x Top Compression Rings 0.0625\"\u003c\/li\u003e\n\u003cli\u003e• 2x Second Compression Rings 0.0625\"\u003c\/li\u003e\n\u003cli\u003e• 2x Expander Rings\u003c\/li\u003e\n\u003cli\u003e• 4x Steel Rails\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"HASTINGS","offers":[{"title":"Default Title","offer_id":46504307196121,"sku":"DS-750823","price":80.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/0421\/8799\/files\/8550FB01-D277-4EB1-BBBE-0392752B8FD6_7df263ea-05a0-417c-8931-eef9de3624bf.jpg?v=1742966791","url":"https:\/\/spazcycle.com\/products\/hastings-ds-750823-2m6482030-replacement-piston-rings-piston-rings-3-437-0-030-74-big-twin-2m6482030","provider":"SpazCycle","version":"1.0","type":"link"}