{"product_id":"wiseco-pk1392-top-end-kit-racers-choice-gp-style-4-00mm-oversize-to-58-00mm","title":"Wiseco PK1392 Top End Kit (Racers Choice GP Style) - 4.00mm Oversize to 58.00mm","description":"Bore: 58.00mm\u003cbr\u003e Compression: Standard Compression\u003cbr\u003e Sizing: 4.00mm Oversize\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 144cc. \u003cbr\u003eBore - Standard: 54.00mm. \u003cbr\u003eBore - Actual: 58.00mm. \u003cbr\u003eBore - Oversize: 4.00mm. \u003cbr\u003eStroke: 54.5mm. \u003cbr\u003eTreatment: Hard Coat Annodize. \u003cbr\u003eNote: Racers Choice. \u003cbr\u003eNote: GP Series. \u003cbr\u003eNote: No Intake Window. \u003cbr\u003eNote: Pinned on centerline. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e2284CSA - 58.00 mm TiN Coated Ring. \u003cbr\u003e846M05800 - Yamaha YZ125 05-17 GP Series 2284CSA. \u003cbr\u003eB1001 - Top End Bearing 15 x 19 x 17.3mm. \u003cbr\u003eCW15 - ROUND WIRE PIN LOCKS 15MM (PAIR). \u003cbr\u003eRing - Set. \u003cbr\u003eS668 - PistonPin 15 x 47mm ID NonChromed TW. \u003cbr\u003eW6331 - TopEnd Gasket Kit Yamaha YZ125 05-17.\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\u003e2005-2021 Yamaha YZ125\u003cbr\u003e 2020-2022 Yamaha YZ125X","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44006327615610,"sku":"4129188","price":228.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/e5b3abbc74557af13e43163021ce51e7_dc2aea55-ce98-4088-90af-96444c5ca34f.jpg?v=1764318380","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-pk1392-top-end-kit-racers-choice-gp-style-4-00mm-oversize-to-58-00mm","provider":"Powersport Superstore","version":"1.0","type":"link"}