{"product_id":"s-s-93-1522cc-3-5-8-big-bore-cylinder-piston-kit","title":"S\u0026S, 93\" (1522cc) 3-5\/8\" big bore cylinder \u0026 piston kit","description":"The 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.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 66-84 Shovel (NU). With 4-1\/2\" stroker flywheels\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307922215239,"sku":"512433","price":2759.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/512432k.jpg?v=1784486261","url":"https:\/\/www.chopperessentials.com\/products\/s-s-93-1522cc-3-5-8-big-bore-cylinder-piston-kit","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}