{"product_id":"wiseco-sk1312-top-end-kit-0-50mm-oversize-to-78-50mm-1","title":"Wiseco SK1312 Top End Kit - 0.50mm Oversize to 78.50mm","description":"Bore: 78.50mm\u003cbr\u003e Sizing: 0.50mm Oversize\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 678cc. \u003cbr\u003eBore - Standard: 78.00mm. \u003cbr\u003eBore - Actual: 78.50mm. \u003cbr\u003eBore - Oversize: 0.50mm. \u003cbr\u003eStroke: 70.00mm. \u003cbr\u003eCylinders: 2. \u003cbr\u003eEngine Type: 670 HO. \u003cbr\u003eNote: Pro-Lite. \u003cbr\u003eNote: Cast Iron Bore. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e2433M07850 - Ski-Doo MXZ670\/SumX98-99 ProLite 3091LK. \u003cbr\u003e3091LK - 78.50 mm Semi Keystone L Ring Set. \u003cbr\u003eCW20 - ROUND WIRE PIN LOCKS 20MM (PAIR). \u003cbr\u003eS631 - PistonPin 20 x 60.0mm NonChromed TW. \u003cbr\u003eW5338 - TopEnd Gskt Kit Ski-Doo FORM.MACH 1.\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\u003e1999 Ski-Doo MX Z 670\u003cbr\u003e 1998 Ski-Doo Summit 670","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44007732674682,"sku":"4657762","price":376.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/af321698adebc5f1f064d6a7d45360f0_edd06fa6-b5ab-46f1-87ca-b82c513db927.jpg?v=1764311289","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-sk1312-top-end-kit-0-50mm-oversize-to-78-50mm-1","provider":"Powersport Superstore","version":"1.0","type":"link"}