{"product_id":"wiseco-4939m08450-piston-kit-standard-bore-84-45mm-11-1-compression","title":"Wiseco 4939M08450 Piston Kit - Standard Bore 84.45mm, 11:1 Compression","description":"Bore: 84.45mm\u003cbr\u003e Compression: 11:1 Compression\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 421cc. \u003cbr\u003eBore - Standard: 84.50mm. \u003cbr\u003eBore - Actual: 84.50mm. \u003cbr\u003eBore - Oversize: STD. \u003cbr\u003eStroke: 75.00mm. \u003cbr\u003eCompression Ratio - Actual: 11:1. \u003cbr\u003eDome Type: Dished. \u003cbr\u003eSkirt Coating: Moly. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e8450XX - 84.50MM RING SET. \u003cbr\u003eCW20 - ROUND WIRE PIN LOCKS 20MM (PAIR). \u003cbr\u003eS520 - PistonPin 20mm x 2.362in. NonChromed TW\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\u003e2007-2008 Yamaha YFM450 Grizzly 4x4 Auto\u003cbr\u003e 2011-2014 Yamaha YFM450 Grizzly 4x4 Auto\u003cbr\u003e 2011-2014 Yamaha YFM450 Grizzly 4x4 Auto EPS\u003cbr\u003e 2009-2010 Yamaha YFM450 Grizzly 4x4 Auto IRS\u003cbr\u003e 2018-2022 Yamaha YFM450 Kodiak 450\u003cbr\u003e 2018-2022 Yamaha YFM450 Kodiak 450 EPS\u003cbr\u003e 2019-2022 Yamaha YFM450 Kodiak 450 EPS SE\u003cbr\u003e 2003-2006 Yamaha YFM450F Kodiak Auto 4x4\u003cbr\u003e 2006-2010 Yamaha YFM450FX Wolverine 4x4\u003cbr\u003e 2006-2009 Yamaha YXR45F Rhino 450\u003cbr\u003e 2007-2008 Yamaha YXR45F Rhino 450 Special Edition","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44122632487034,"sku":"4107851","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/c07efb91ed12ac319ebc6c46948191f0_6102f89e-affe-43bd-a8cf-1bbaf0e8321b.jpg?v=1778926023","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-4939m08450-piston-kit-standard-bore-84-45mm-11-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}