{"product_id":"kb-performance-96-to-103-big-bore-piston-set-040-mcs-944761","title":"KB Performance, 96\" to 103\" big bore piston set. +.040\"","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 07-17 Twin Cam (NU)\u003c\/p\u003e\u003cp\u003eFor 96\" to 103\" (3 3\/4\"  to 3 7\/8\") big bore conversions. Used with stock heads and cylinders. By boring the stock cylinders from 3-3\/4\" to 3-7\/8\" big bore size engine capacity will increase from 96\" to 103\". Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. \u003cbr\u003e10.0:1 CR with 85cc head. Head type: Flat top.\u003cbr\u003e+1.9cc \/ Compression height 1.076\".\u003cbr\u003eBore 3.875\" \/ Stroke 4.375\".\u003cbr\u003eRod length 7.667\". \u003cbr\u003eNote: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":59226576879990,"sku":"MCS-944761","price":311.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/944756k_c6d64c9b-bcf3-4dc2-b3ad-aebee4178521.jpg?v=1793624208","url":"https:\/\/www.blue-bull.nl\/products\/kb-performance-96-to-103-big-bore-piston-set-040-mcs-944761","provider":"Blue Bull","version":"1.0","type":"link"}