{"product_id":"hastings-replacement-piston-rings-2","title":"HASTINGS Replacement Piston Rings","description":"\u003cp\u003e\u003cstrong\u003eHASTINGS Replacement Piston Rings\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHASTINGS Replacement Piston Rings by HASTINGS is a motorcycle part listing built for riders searching by exact product name, fitment, style, and part number.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\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\u003ch3\u003ePart Numbers\u003c\/h3\u003e\u003cp\u003eDS-750821, 2M6482010, DS-750822, 2M6482020, DS-750823, 2M6482030, DS-750824, 2M6482040, DS-750825, 2M6482050, DS-750826, 2M6482060, DS-750827, 2M6482070, DS-750820, 2M6482, DS-750834, 2M6127040, 0912-0926, 2M6164040, DS-750861, 2M5721, DS-750869, 2M4793, DS-750875, 2M4985005, DS-750874, 2M4985\u003c\/p\u003e\u003ch3\u003eAvailable Styles\u003c\/h3\u003e\u003cp\u003ePiston Rings \/ 3.437\" + 0.010\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" + 0.020\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" + 0.030\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" + 0.040\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" + 0.050\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" + 0.060\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" + 0.070\" \/ 74\" Big Twin; Piston Rings \/ 3.437\" Standard \/ 74\" Big Twin; Piston Rings \/ 3.498\" + 0.040\" \/ 80\" Big Twin; Piston Rings \/ 3.498\" + 0.040\" \/ Evolution Big Twin; Piston Rings \/ 3.625\" Big Bore \/ 88\" Big Twin; Piston Rings \/ 3.750\" Standard \/ 88\" Twin Cam; Piston Rings \/ 3.875\" + 0.005\" \/ 95\" Big Bore Twin Cam; Piston Rings \/ 3.875\" Standard \/ 95\" Big Bore Twin Cam\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailable options:\u003c\/strong\u003e 14\u003c\/p\u003e","brand":"HASTINGS","offers":[{"title":"Piston Rings \/ 3.437\" + 0.010\" \/ 74\" Big Twin","offer_id":44093301424215,"sku":"DS750821","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" + 0.020\" \/ 74\" Big Twin","offer_id":44093301456983,"sku":"DS750822","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" + 0.030\" \/ 74\" Big Twin","offer_id":44093301489751,"sku":"DS750823","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" + 0.040\" \/ 74\" Big Twin","offer_id":44093301522519,"sku":"DS750824","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" + 0.050\" \/ 74\" Big Twin","offer_id":44093301555287,"sku":"DS750825","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" + 0.060\" \/ 74\" Big Twin","offer_id":44093301588055,"sku":"DS750826","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" + 0.070\" \/ 74\" Big Twin","offer_id":44093301620823,"sku":"DS750827","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.437\" Standard \/ 74\" Big Twin","offer_id":44093301653591,"sku":"DS750820","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.498\" + 0.040\" \/ 80\" Big Twin","offer_id":44093301686359,"sku":"DS750834","price":82.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.498\" + 0.040\" \/ Evolution Big Twin","offer_id":44093301719127,"sku":"09120926","price":49.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.625\" Big Bore \/ 88\" Big Twin","offer_id":44093301751895,"sku":"DS750861","price":39.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.750\" Standard \/ 88\" Twin Cam","offer_id":44093301784663,"sku":"DS750869","price":75.95,"currency_code":"USD","in_stock":true},{"title":"Piston Rings \/ 3.875\" + 0.005\" \/ 95\" Big Bore Twin Cam","offer_id":44093301817431,"sku":"DS750875","price":87.95,"currency_code":"USD","in_stock":false},{"title":"Piston Rings \/ 3.875\" Standard \/ 95\" Big Bore Twin Cam","offer_id":44093301850199,"sku":"DS750874","price":87.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/HASTINGS-Replacement-Piston-Rings_9232e1eb-4cd9-42b6-bcc6-5332298cc75c.png?v=1785559186","url":"https:\/\/parts4motorcycles.com\/products\/hastings-replacement-piston-rings-2","provider":"Parts4Motorcycles","version":"1.0","type":"link"}