{"product_id":"mcs512423","title":"S\u0026S 3-5\/8\" Replacement Evo Superstock Piston Kit. +.010\" – 1984–1999 3-5\/8\" Big Bore Evo Big Twin…","description":"\u003ch2\u003eS\u0026amp;S 3-5\/8\" Replacement Evo SuperStock Piston Kit. +.010\" – 1984–1999 3-5\/8\" Big Bore Evo Big Twin…\u003c\/h2\u003e\n\u003cp\u003eReplacement recessed dome pistons for 3-5\/8\" Big Bore applications. Will fit 84-99 Evolution Big Twin models with S\u0026amp;S SuperStock heads only and 3-5\/8\" bore cylinders in combination with 4-1\/4\" (5.375\" cylinders; 9.4:1CR); 4-1\/2\" (5.500\" cylinders; 9.8:1CR) and 4-5\/8\" (5.565\" cylinders; 10.1:1CR) strokes. S\u0026amp;S tolerance recommendations: Close fit .0015\" to .002\". Loose fit: .003\" to .004\". All pistons include wrist pins; wrist pin clips and piston rings. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e84-99 3-5\/8\" big bore Evo Big Twin with S\u0026amp;S SuperStock heads and 4-1\/4\" (std); 4-1\/2\" and 4-5\/8\" stroke flywheels (NU)\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; PISTONS AND RINGS KITS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e KIT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 512423\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 512423\u003cbr\u003eManufacturer Part Number: 92-1061\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44341765898560,"sku":"MCS512423","price":433.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/512386k.jpg?v=1776035377","url":"https:\/\/hogparts.co.uk\/products\/mcs512423","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}