Wiseco Piston Set 99.5mm Bore 2006-2014 WRX / 2004-2021 STI / 2005-2009 LGT

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for serious racers and builders. Packed with custom-level performance and durability features and premium rings, Professional Series pistons are designed and built for use in heavy to severe-duty race builds. Remove your limits with Wiseco’s Professional Series.

• Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
• ArmorGlide® Skirt Coating: seizure resistant, friction reduction, and quieter operation
• Fully machined crown features
• Precision ring grooves, anti-detonation groove, and additional ring seal improving features
• Forced pin oiling
• Designed and built to withstand heavy to severe duty performance applications
• 8.9:1 Compression Ratio
• Includes, Wrist Pins, Piston, and rings.