{"product_id":"s-s-cycle-91-9001","title":"S\u0026S Cycle 79-84 BT 88in Sidewinder 3-5\/8in Big Bore Cylinder Kit - Gloss Black","description":"\u003cp\u003eInstalling this 3-5\/8\" big bore kit will increase the displacement of stock 80\" HD® shovelhead engines to 88\" using the stock 4-1\/4\" flywheels. This may also be used to build an 88\" engine in 74\" shovelheads if a 4-1\/4\" stroke flywheel assemble is also installed. The kit includes S\u0026amp;S 3-5\/8\" bore cylinders, 3-5\/8\" bore forged pistons with rings and wristpins, S\u0026amp;S stainless steel head bolts, base nuts, head gaskets, base gaskets, exhcaust gaskets, and instructions. Compression is 7.5:1. The cylinders are stock length so stock length pushrods and manifold may be used.\u003c\/p\u003e\u003cp\u003eGenuine S\u0026amp;S Cycle. Part number 91-9001.\u003c\/p\u003e\u003cp\u003eImported to order from our US supply partner — allow 7-14 days delivery.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":62170829652355,"sku":"91-9001","price":1837.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/6506\/2787\/files\/b561e253eff648b659f8268d71289f6b.png?v=1785040751","url":"https:\/\/www.mlperformance.co.uk\/products\/s-s-cycle-91-9001","provider":"ML Performance","version":"1.0","type":"link"}