{"product_id":"s-s-cycle-91-9031","title":"S\u0026S Cycle 66-84 BT 93in High Compression 3-5\/8in Big Bore Cylinder \u0026 Piston Kit - Gloss Black","description":"\u003cp\u003eThis 3-5\/8\" big bore kit may be used to replace the cylinders and pistons of an S\u0026amp;S SH93 high compression engine or a stock HD® shovelhead engine that has been upgraded with an S\u0026amp;S 93\" Hot Set Up Kit® . This kit may also be used to upgrade an engine with an S\u0026amp;S 84\" stock bore stroker kit to 93\". Stock crankcases must be bored to accomodate the 3-5\/8\" bore cylinders, but the 4-1\/2\" stroker flywheel assembly does not need to be rebalanced. The kit includes S\u0026amp;S 3-5\/8\" bore cylinders, 3-5\/8\" bore forged pistons with rings and wristpins, head gaskets, base gaskets, exhaust gaskets, and instructions. Compression is 9.1:1. The cylinders are longer then stock , so longer pushrods, and manifold must be used.\u003c\/p\u003e\u003cp\u003eGenuine S\u0026amp;S Cycle. Part number 91-9031.\u003c\/p\u003e\u003cp\u003eShips from US warehouse.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not CARB approved — not for sale or use on pollution-controlled vehicles in California.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":48722544165089,"sku":"91-9031","price":1995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7608\/4961\/files\/ebf1ce75f645cd3b849e212e246a9a40.png?v=1784700252","url":"https:\/\/mlperformanceusa.com\/products\/s-s-cycle-91-9031","provider":"ML Performance USA","version":"1.0","type":"link"}