{"product_id":"kb-m8-114-117-to-120-big-bore-conv-piston-set-040","title":"KB, M8 114\/117 to 120\" big bore conv. piston set. +.040\"","description":"\u003cp\u003e\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\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\u003e\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\u003e\u003cbr\u003e10.9:1 CR. (with 88.6cc head volume). \u003cbr\u003e\u003cbr\u003ePiston weight: OEM. \u003cbr\u003e\u003cbr\u003ePiston pin weight 115gr., offset: 0.025\". \u003cbr\u003e\u003cbr\u003ePiston: +1.9cc\/Flat top. \u003cbr\u003e\u003cbr\u003eCompression height: 1.083\". \u003cbr\u003e\u003cbr\u003eRing pack: 1.2mm 1.2mm 3.0mm. \u003cbr\u003e\u003cbr\u003eBore 4 1\/8\" \/ Stroke stock 4.500\".\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\u003e17-24 114\" M8 (NU)\u003c\/p\u003e\u003ch2\u003ePart numbers\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplier SKU\u003c\/th\u003e\n\u003ctd\u003e574107\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer part\u003c\/th\u003e\n\u003ctd\u003eKB542LCA.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"KB Performance Piston","offers":[{"title":"Default Title","offer_id":58622278435160,"sku":"574107","price":424.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8235\/0680\/files\/574103k_63657d98-4223-4400-9111-b914999b4280.jpg?v=1790966336","url":"https:\/\/deathproofcycles.com\/products\/kb-m8-114-117-to-120-big-bore-conv-piston-set-040","provider":"Deathproof Cycles","version":"1.0","type":"link"}