{"product_id":"wiseco-pk1445-top-end-kit-standard-bore-89-00mm-11-1-compression","title":"Wiseco PK1445 Top End Kit - Standard Bore 89.00mm, 11:1 Compression","description":"Bore: 89.00mm\u003cbr\u003e Compression: 11:1 Compression\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 450cc. \u003cbr\u003eBore - Standard: 89.00mm. \u003cbr\u003eBore - Actual: 89.00mm. \u003cbr\u003eBore - Oversize: STD. \u003cbr\u003eStroke: 72.00mm. \u003cbr\u003eCompression Ratio - Actual: 11:1. \u003cbr\u003eSkirt Coating: Moly. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e4941M08900 - KTM 450EXC 03-07; XC ATV 08-09 11:1 CR. \u003cbr\u003e8900ZC - 89.00 mm Ring Set. \u003cbr\u003eRing - Set. \u003cbr\u003eS641 - PistonPin 20mm x 1.986in. NonChromed SW. \u003cbr\u003eW5509 - ROUND WIRE PIN LOCKS 20MM (PR). \u003cbr\u003eW5883 - TopEnd Gasket Kit KTM\/ Pol 400\/ 450cc.\u003cbr\u003e \u003cbr\u003e Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.\u003cbr\u003e\u003cbr\u003eVehicle Fitment:\u003cbr\u003e\u003cbr\u003e2003-2005 KTM 450 EXC\u003cbr\u003e 2003-2005 KTM 450 MXC\u003cbr\u003e 2008-2009 KTM 450 XC\u003cbr\u003e 2006-2007 KTM 450 XC-F\u003cbr\u003e 2006-2007 KTM 450 XC-W\u003cbr\u003e 2008-2010 Polaris Outlaw 450 MXR","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44006272761978,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-pk1445-top-end-kit-standard-bore-89-00mm-11-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}