{"title":"Engine Power Packs \u0026 Hot Up Kits","description":"\u003cp\u003eShop the range of aftermarket motorcycle engine power pack and hot up kits at Pro Class Custom Parts.\u003c\/p\u003e","products":[{"product_id":"ss91-9126","title":"93in. Sidewinder Big Bore Stroker Kit - Gloss Black. Fits Big Twin Shovel 1970-1984 - S\u0026S","description":"\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eAn S\u0026amp;S 93″ 3-5\/8″ Sidewinder big bore stroker kit is an economical route to a larger displacement engine. This kit contains nearly everything needed to take a stock 74″ or 80″ HD shovelhead engine up to 93″ displacement. \u003c\/p\u003e\n\u003cp\u003eThis kit includes:\u003c\/p\u003e\n\u003cp\u003e* S\u0026amp;S 3-5\/8″ bore high tensile cast iron Sidewinder cylinders\u003c\/p\u003e\n\u003cp\u003e* Forged pistons with wristpin and rings\u003c\/p\u003e\n\u003cp\u003e* 4-1\/2″ stroke dynamically balanced S\u0026amp;S flywheel assembly, complete with S\u0026amp;S heavy duty connecting rods and mainshafts\u003c\/p\u003e\n\u003cp\u003e* S\u0026amp;S stainless steel head bolts, base nut, S\u0026amp;S adjustable chromoly steel pushrods, head gaskets, base gaskets, exhaust gaskets, and an S\u0026amp;S heavy duty top motor mount. \u003c\/p\u003e\n\u003cp\u003e* Compression is 8.5:1\u003c\/p\u003e\n\u003cp\u003eTech Tips:-\u003c\/p\u003e\n\u003cp\u003e* Cases must be bored to accept 3-5\/8″ bore cylinders\u003c\/p\u003e\n\u003cp\u003e* Cylinder Heads must be bored to accept 3-5\/8″ bore cylinders\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SS","offers":[{"title":"Default Title","offer_id":49879601250596,"sku":"SS91-9126","price":9869.99,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/9201\/3860\/files\/SS91-9126_400cc4c1-8d60-43b9-8f70-dcc4aefdac4a.jpg?v=1744019378"}],"url":"https:\/\/www.proclasscustoms.co.nz\/collections\/engine-power-packs-hot-up-kits.oembed","provider":"Pro Class Customs","version":"1.0","type":"link"}