{"product_id":"s-s-evo-stroker-piston-set-oem-heads-010","title":"S\u0026S, Evo stroker piston set (OEM heads). +.010\"","description":"89\". 3-1\/2\" stock bore x 4-5\/8\" stroke. Used with stock cylinders and heads in combination with 4-5\/8\" stroker flywheels. Converts the stock 80\" (1340cc) Evo B.T. to 89\" (1459cc). Approx. 9.25:1 CR. Kits include forged pistons; 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.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 84-99 Evo Big Twin with 4-5\/8\" stroker flywheels (NU)\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307882893639,"sku":"531795","price":608.42,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/531795k.jpg?v=1784483954","url":"https:\/\/www.chopperessentials.com\/products\/s-s-evo-stroker-piston-set-oem-heads-010","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}