{"product_id":"wiseco-4069m07400-piston-kit-2-50mm-oversized-to-76-45mm-10-25-1-compression","title":"Wiseco 4069M07400 Piston Kit - 2.50mm Oversized to 76.45mm, 10.25:1 Compression","description":"Bore: 76.45mm\u003cbr\u003e Compression: 10.25:1 Compression\u003cbr\u003e Sizing: 2.50mm Oversize\u003cbr\u003e\u003cbr\u003eSPECIFICATIONS. \u003cbr\u003eDisplacement: 1179cc. \u003cbr\u003eBore - Standard: 71.50mm. \u003cbr\u003eBore - Actual: 74.00mm. \u003cbr\u003eBore - Oversize: 2.50mm. \u003cbr\u003eStroke: 68.55mm. \u003cbr\u003eCompression Ratio - Actual: 10.25:1. \u003cbr\u003eNote: Cylinder boring required. \u003cbr\u003eITEM CONTENTS. \u003cbr\u003e2913XC - 74.00 mm Ring Set. \u003cbr\u003eCW17 - ROUND WIRE PIN LOCKS 17MM (PAIR). \u003cbr\u003eS523 - PistonPin 17mm x 2.429in. 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\u003e1978-1981 Yamaha XS1100","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44007332905082,"sku":"5462600","price":197.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/9da3dca4961884dceb58857de1df78be_ae5e9c18-0be8-4655-a1d8-4ae042b3759d.jpg?v=1761385425","url":"https:\/\/www.powersportsuperstore.com\/products\/wiseco-4069m07400-piston-kit-2-50mm-oversized-to-76-45mm-10-25-1-compression","provider":"Powersport Superstore","version":"1.0","type":"link"}