{"product_id":"mcs512433","title":"S\u0026S 93\" (1522cc) 3-5\/8\" Big Bore Cylinder \u0026 Piston Kit – 1966–1984 Shovel. with 4-1\/2\" Stroker…","description":"\u003ch2\u003eS\u0026amp;S 93\" (1522cc) 3-5\/8\" Big Bore Cylinder \u0026amp; Piston Kit – 1966–1984 Shovel. With 4-1\/2\" Stroker…\u003c\/h2\u003e\n\u003cp\u003eThe most popular large capacity option for 66-84 Shovelhead models. This kit gives both dependability and a good performance increase. Must be used with 4-1\/2\" stroker flywheels. Comes complete with +.124\" (5.405\") 3-5\/8\" big bore gloss black cylinders; forged pistons; rings; wrist pins; head\/base gaskets and cylinder head bolts and cylinder base nuts. Compression ratio around 8.2:1. Engine life can be expected to be very good\/good; strongly depending on riding habits. Note: Crankcase spigots must be bored for 3-5\/8\" cylinders. Note: 4-1\/2\" stroker flywheels (MCS 512368) must be purchased separately.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e66-84 Shovel (NU). With 4-1\/2\" stroker flywheels\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; CYLINDERS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e KIT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 512433\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 512433\u003cbr\u003eManufacturer Part Number: 91-9101\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44341765669184,"sku":"MCS512433","price":2457.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/512432k.jpg?v=1776035397","url":"https:\/\/hogparts.co.uk\/products\/mcs512433","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}