{"product_id":"replacement-evo-superstock-piston-kit-030","title":"Replacement Evo Superstock Piston Kit +.030\"","description":"\u003cp\u003eReplacement; recessed dome; forged piston kits for used with S\u0026amp;S Evolution SuperStock heads only in combination with components with stock dimensions (bore 3-1\/2\"; stroke 4-1\/4\" and cylinder length 5.550\").  S\u0026amp;S tolerance recommendations: Close fit .0015\" to .002\". Loose fit: .003\" to .004\". Will give approx. 10.1:1 CR.  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\u003cp\u003e84-99 Evo Big Twin with S\u0026amp;S SuperStock heads only (NU)\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":43848903655644,"sku":"512391","price":458.09,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/6881\/0972\/products\/512386k_5a814781-2892-4357-9b05-03c346933b04.jpg?v=1679051021","url":"https:\/\/motosuperstore.co.uk\/products\/replacement-evo-superstock-piston-kit-030","provider":"Moto Superstore","version":"1.0","type":"link"}