{"product_id":"s-s-114-117-to-128-big-bore-kit-m8","title":"S\u0026S 114\"\/117\" to 128\" Big Bore Kit for M8 Models","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe S\u0026amp;S 114\"\/117\" to 128\" Big Bore Kit is a high-performance engine upgrade designed to convert Harley-Davidson Milwaukee-Eight 114\" and 117\" engines with stock 4.500\" stroke crankshafts to 128 cubic inches. Built for riders looking to add serious displacement, horsepower, and torque, this kit delivers a major performance increase while maintaining a bolt-on installation with no crankcase machining required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing a 4.250\" bore, forged pistons, an 11:1 compression ratio, and compatibility with stock crankcases and stock stroke crankshafts, this S\u0026amp;S Big Bore Kit is a premium upgrade for 114\" and 117\" M8 riders who want more power from their Milwaukee-Eight engine. These kits also feature an updated cylinder design that allows compatibility with both Gen 1 and Gen 2 Milwaukee-Eight models. Available in wrinkle black with highlighted fins or wrinkle black without highlighted fins, this kit gives riders both performance and finish options to match their build.\u003c\/span\u003e\u003c\/p\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Wrinkle Black","offer_id":40105620308133,"sku":"0931-1195","price":2346.0,"currency_code":"CAD","in_stock":true},{"title":"Wrinkle Black w\/ Highlighted Fins","offer_id":40105620406437,"sku":"0931-1193","price":2346.0,"currency_code":"CAD","in_stock":true},{"title":"Black Granite w\/ highlighted Fins","offer_id":40105620439205,"sku":"0931-1192","price":2346.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1365\/1661\/files\/SS_114_117_128_BIG_BORE_HIGHLIGHTED.jpg?v=1784086850","url":"https:\/\/www.kruesioriginals.com\/en-ca\/products\/s-s-114-117-to-128-big-bore-kit-m8","provider":"Kruesi Originals","version":"1.0","type":"link"}