{"product_id":"wiseco-pk1071-top-end-kit-standard-bore-95-00mm-12-1-compression","title":"Wiseco PK1071 Top End Kit - Standard Bore 95.00mm, 12:1 Compression","description":"Bore: 95.00mm\u003cbr\u003e Compression: 12:1 Compression\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 439cc. \u003cbr\u003eBore - Standard: 95.00mm. \u003cbr\u003eBore - Actual: 95.00mm. \u003cbr\u003eBore - Oversize: STD. \u003cbr\u003eStroke: 62.00mm. \u003cbr\u003eCylinders: 1. \u003cbr\u003eCompression Ratio - Actual: 12:1. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e3741XS - 95.00 mm Ring Set. \u003cbr\u003e4865M09500 - Yam YFZ450 04-13\/450R 09-16 11.4:1 CR. \u003cbr\u003eCW20 - ROUND WIRE PIN LOCKS 20MM (PAIR). \u003cbr\u003eS641 - PistonPin 20mm x 1.986in. NonChromed SW. \u003cbr\u003eW6129 - TopEndGsktKit Yamaha YZ450F 03-05 95mm.\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\u003e2004-2005 Yamaha YFZ450","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44006273286266,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-pk1071-top-end-kit-standard-bore-95-00mm-12-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}