{"product_id":"mcs574103","title":"KB Performance Piston M8 114\/117 to 120\" Big Bore Conv. Piston Set. STD – 2017–2024 114\" M8","description":"\u003ch2\u003eKB Performance Piston M8 114\/117 to 120\" Big Bore Conv. Piston Set. STD – 2017–2024 114\" M8\u003c\/h2\u003e\n\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. Note: 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. 10.9:1 CR. (with 88.6cc head volume). Piston weight: OEM. Piston pin weight 115gr.; offset: 0.025\". Piston: +1.9cc\/Flat top. Compression height: 1.083\". Ring pack: 1.2mm 1.2mm 3.0mm. Bore 4 1\/8\" \/ Stroke stock 4.500\".\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e17-24 114\" M8 (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KB Performance Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; PISTON KITS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 574103\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KB-Performance Piston","offers":[{"title":"Default Title","offer_id":57370228523395,"sku":"MCS574103","price":422.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/574103k_0cef9a23-76be-4383-b444-c55a833939ef.jpg?v=1775144882","url":"https:\/\/hogparts.com\/products\/mcs574103","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}