{"product_id":"s-s-98-1607cc-3-5-8-big-bore-cylinder-piston-kit","title":"S\u0026S, 98\" (1607cc) 3-5\/8\" big bore cylinder \u0026 piston kit","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eFits all 66-84 Shovelhead models with 4-3\/4\" stroker flywheels. Comes complete with +.200\" (5.530\") 3-5\/8\" big bore gloss black cylinders, forged pistons, rings, wrist pins, head\/base gaskets and cylinder head bolts and cylinder base nuts. This large capacity engine will give serious increase in power and torque. Compression ratio 8-1\/4:1. Engine life can be expected to be fair, strongly depending on riding habits.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eNote: Crankcase spigots must be bored for 3-5\/8\" cylinders. \u003cbr\u003e\u003cbr\u003eNote: 4-3\/4\" stroker flywheels in the 8-1\/4\" special small diameter version must be used (MCS 512370) in combination with a 82-up type crankpin and a S\u0026amp;S sprocket shaft. Flywheels must be purchased separately and come un-balanced.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctr\u003e\n\u003cth\u003eUnit\u003c\/th\u003e\n\u003ctd\u003eKIT\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003e66-84 Shovel (NU). With 4-3\/4\" small diameter flywheels with 82-up crankpin and an S\u0026amp;S sproket shaft\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e512412\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003e91-9201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":58622697046360,"sku":"512412","price":1579.92,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/512432k.jpg?v=1790966647","url":"https:\/\/deathproofcycles.com\/products\/s-s-98-1607cc-3-5-8-big-bore-cylinder-piston-kit","provider":"Deathproof Cycles","version":"1.0","type":"link"}