{"product_id":"mcs916663","title":"S\u0026S 4-1\/8\" Bore Piston Ring Set. +.010'' – All S\u0026S Ssw+ Engines (Evo \u0026 Twin Cam…","description":"\u003ch2\u003eS\u0026amp;S 4-1\/8\" Bore Piston Ring Set. +.010'' – All S\u0026amp;S SSW+ Engines (Evo \u0026amp; Twin Cam…\u003c\/h2\u003e\n\u003cp\u003eS\u0026amp;S chr\/moly replacement piston ring set. Fits all S\u0026amp;S 4-1\/8\" bore Super Sidewinder Plus (incl. TC).. Std cylinder bore: 4.125\" (104.78mm). Note compression ring gap: To determine the correct ring gap on your newly installed piston rings is very important. A too narrow gap may result in premature piston ring\/cylinder wall wear or even seizure; possibly breaking rings and\/or damage to pistons and\/or cylinder walls; and so on. A piston ring gap that is wider than necessary will result in needless compression loss and reduced engine efficiency.Recommended ring gap is .004\" per inch of cylinder diameter for street engines. For a 3-5\/8\" (3.625\") bore engine piston ring gap would be 3.625\" x .004\" = .0145\". (.0145\" x 25.4 = 0.3683mm or; when rounded of; 0.37mm). Information provided by S\u0026amp;S Cycle; Inc.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eAll S\u0026amp;S SSW+ engines (Evo \u0026amp; Twin Cam style)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; PISTON RINGS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e 2CY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 916663\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 916663\u003cbr\u003eManufacturer Part Number: 94-1401X\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":57378454045059,"sku":"MCS916663","price":70.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/908440k.jpg?v=1785973336","url":"https:\/\/hogparts.co.uk\/products\/mcs916663","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}