{"product_id":"kb-m8-114-117-to-120-big-bore-conv-piston-set-010-mcs-574104","title":"KB, M8 114\/117 to 120\" big bore conv. piston set. +.010\"","description":"\u003cp class=\"bb-fitment\"\u003e\u003cstrong\u003ePast op:\u003c\/strong\u003e 17-24 114\" M8 (NU)\u003c\/p\u003e\u003cp\u003eForged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove 'micro-welding'. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003\". The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible \u0026amp; perfect piston to cylinder fit for no piston rock and best possible ring seal. \u003cbr\u003eNote: Fits 114\/117\" M8 engines, cylinder must be bored to 4.125\" big bore size. Case boring is not required, OEM weight so rebalancing is not required and works with stock 4.500\" stroke. \u003cbr\u003e10.9:1 CR. (with 88.6cc head volume). \u003cbr\u003ePiston weight: OEM. \u003cbr\u003ePiston pin weight 115gr., offset: 0.025\". \u003cbr\u003ePiston: +1.9cc\/Flat top. \u003cbr\u003eCompression height: 1.083\". \u003cbr\u003eRing pack: 1.2mm 1.2mm 3.0mm. \u003cbr\u003eBore 4 1\/8\" \/ Stroke stock 4.500\".\u003c\/p\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":59225970966902,"sku":"MCS-574104","price":544.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/574103k.jpg?v=1793622325","url":"https:\/\/www.blue-bull.nl\/products\/kb-m8-114-117-to-120-big-bore-conv-piston-set-010-mcs-574104","provider":"Blue Bull","version":"1.0","type":"link"}