{"product_id":"wiseco-4989m10000-piston-kit-standard-bore-99-92mm-10-5-1-compression","title":"Wiseco 4989M10000 Piston Kit - Standard Bore 99.92mm, 10.5:1 Compression","description":"Bore: 99.92mm\u003cbr\u003e Compression: 10.5:1 Compression\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 644.1cc. \u003cbr\u003eBore - Standard: 100.00mm. \u003cbr\u003eBore - Actual: 100.00mm. \u003cbr\u003eBore - Oversize: STD. \u003cbr\u003eStroke: 82.00mm. \u003cbr\u003eCylinders: 1. \u003cbr\u003eCompression Ratio - Actual: 10.5:1. \u003cbr\u003eDome Type: Flat Top. \u003cbr\u003eSkirt Coating: Moly. \u003cbr\u003eDome Coating: None. \u003cbr\u003eTreatment: None. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e3937XS - 100.00 mm Ring Set. \u003cbr\u003eS627 - PIN- 24MM X 2.5in. X 4.0MM WALL. \u003cbr\u003eW6045 - ROUND WIRE PIN RETAINER 24MM (PAIR)\u003cbr\u003e \u003cbr\u003e All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of todays cylinder bore compositions. Wisecos state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in todays market place.\u003cbr\u003e\u003cbr\u003eVehicle Fitment:\u003cbr\u003e\u003cbr\u003e1993-2009 Honda XR650L\u003cbr\u003e 2012-2023 Honda XR650L","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44101855838330,"sku":"4488497","price":227.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/377aa5a29ca79d9c209fd71413addef4_de7a99ef-a985-4e0d-bf9e-f4062205afd9.jpg?v=1772081695","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-4989m10000-piston-kit-standard-bore-99-92mm-10-5-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}