{"product_id":"s-s-cycle-91-9017-84-86-or-88-3-7-16-bore-cylinder-and-stroker-piston-kit-for-1966-84-hd®-big-twins-gloss-black-finish","title":"S\u0026S Cycle 91-9017 84\" 86\" or 88\" 3-7\/16\" Bore Cylinder and Stroker Piston Kit for 1966-'84 HD® Big Twins - Gloss Black FInish","description":"\u003ch1\u003eS\u0026amp;S Cycle 91-9017\u003c\/h1\u003e \u003cp\u003eThis 3-7\/16\" bore cylinder and piston kit can be used to build 84\", 86\", or 88\" stroker engines, or the replace the cylinders and piston in an engine with an existing S\u0026amp;S\u003csup\u003e®\u003c\/sup\u003e stock bore stroker kit.\u003c\/p\u003e \u003cp\u003eKit includes S\u0026amp;S 3-7\/16\" bore high tensile cast iron cylinders, 3-7\/16\" bore forged stroker pistons with rings and wristpins, head gaskets, S\u0026amp;S stainless steel head bolts with washers, base nuts, base gaskets. This kit can be used in engines with 4-1\/2\", 4-5\/8\" or 4-3\/4\" stroke flywheels. \u003c\/p\u003e \u003cp\u003e4-1\/2\" Stroke - 84\" - 8.4:1 Compression\u003cbr\u003e 4-5\/8\" Stroke - 86\" - 9.4:1 Compression\u003cbr\u003e 4-3\/4\" Stroke - 88\" - 10.8:1 Compression\u003c\/p\u003e \u003ca href=\"https:\/\/www.sscycle.com\/content\/document_center\/Instruction_Sheets\/510-0036-gasketlabel.pdf\" target=\"_blank\" alt=\"Download Instructions\"\u003eInstall Instructions Download\u003c\/a\u003e\u003ca href=\"https:\/\/www.sscycle.com\/content\/document_center\/Instruction_Sheets\/51-1169.pdf\" target=\"_blank\" alt=\"Download Additional Instructions\"\u003eAdditional Install Instructions\u003c\/a\u003e\u003ch3\u003eFITMENT DISCLAIMER\u003c\/h3\u003e\n\u003cp\u003eFitment information is provided as a general reference only and is not guaranteed for any motorcycle, whether stock or modified. Compatibility may vary by year, model, and individual configuration.\u003c\/p\u003e\n\n\u003cp\u003eCustomers are responsible for verifying fitment prior to purchase. House of Harley-Davidson assumes no liability for purchases made based on incorrect or unverified fitment information.\u003c\/p\u003e\n\n\u003cp\u003ePlease contact our Parts Department with any questions before ordering at \u003ca href=\"tel:4142822211\"\u003e414-282-2211\u003c\/a\u003e\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53260518293811,"sku":"SS+91-9017","price":1995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/6764\/5747\/files\/ss-91-9017-ss-cycle-91-9017-84-86-or-88-3-7-16-bore-cylinder-and-stroker-piston-kit-for-1966-84-hd-big-twins-gloss-black-finish-2.png?v=1776707217","url":"https:\/\/houseofharley.com\/es\/products\/s-s-cycle-91-9017-84-86-or-88-3-7-16-bore-cylinder-and-stroker-piston-kit-for-1966-84-hd%c2%ae-big-twins-gloss-black-finish","provider":"House of Harley®","version":"1.0","type":"link"}