{"product_id":"s-s-3-1-2-bore-9-1cr-piston-kit-030","title":"S\u0026S, 3-1\/2\" bore 9:1CR piston kit. +.030\"","description":"High 9:1 (53cc dome) compression ratio. Fits as a direct replacement for 1340 (80\") Shovelhead models; 3-1\/2\" bore with stock 4-1\/4\" stroke. These S\u0026amp;S forged pistons come in an advanced alloy and skirt profiles; resulting in a quiet engine and long life; previously only achievable with cast pistons. This is an excellent choice to overhaul your stock 1340cc Shovel with a higher compression piston. Pistons include wrist pins; wrist pin clips and piston rings.   Note: S\u0026amp;S piston fit recommendations: Close fit .0030\" to .0035\"; loose fit .004\" to .005\".  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.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 79-84 1340cc\/80\" Shovel (NU)\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307884532039,"sku":"531771","price":515.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/531768k.jpg?v=1784483968","url":"https:\/\/www.chopperessentials.com\/products\/s-s-3-1-2-bore-9-1cr-piston-kit-030","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}