Wiseco 4562M10241 102.41mm 9:1 Compression 675cc Motorcycle Piston Kit - High Performance Replacement for Engine Rebuild & Racing Upgrades

Bore: 104.74mm Compression: 9:1 Compression Sizing: 2.40mm OversizeSPECIFICATIONS. Displacement: 675cc. Bore - Standard: 100.00mm. Bore - Actual: 102.41mm. Bore - Oversize: 2.40. Stroke: 82.00mm. Compression Ratio - Actual: 9:1. Deck Clearance: 1. Note: Cylinder boring required. ITEM CONTENTS. 4032GFX - 102.41mm (4.032in.) Auto Ring Set- 1 cyl. CW24 - ROUND WIRE PIN LOCKS 24MM (PAIR). S627 - PIN- 24MM X 2.5in. X 4.0MM WALL 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.1993-2009 fits HON XR650L 2012-2020 fits HON XR650L