Wiseco K727M8650 Sport Compact Forged Piston Kit Bore - FA20 86.5mm 9.5cc

The Wiseco K727M8650 is a complete Sport Compact Series forged piston kit designed specifically for the Subaru FA20 Direct Injection 2.0L engine. This high-performance piston set features an 86.50mm bore diameter (0.020-inch oversize) with a -9.5cc dish volume, delivering a 10.5:1 compression ratio optimized for turbocharged and naturally aspirated builds seeking increased power and reliability.

Key Specifications:

• Bore Diameter: 86.50mm (3.406 inches)
• Compression Height: 32.66mm (1.286 inches)
• Piston Volume: -9.5cc dish
• Compression Ratio: 10.5:1
• Wrist Pin Diameter: 0.866 inches (22mm)
• Piston Material: 2618 aerospace-grade aluminum alloy
• Piston Pin Material: 9310 chromium alloy steel

Complete Kit Includes:

• Four forged pistons
• Precision-engineered piston ring sets
• Wrist pins (piston pins)
• Circlips for secure retention

Performance Features:

• Strutted forging design for improved strength and rigidity
• ArmorGlide skirt coating for seizure resistance, friction reduction, and quieter operation
• 2618 aluminum construction provides superior tensile strength and high-temperature performance
• Engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio facility
• Computer-optimized design for minimal cylinder wall friction and maximum durability

Wiseco pistons are built for enthusiasts looking to upgrade from factory cast pistons when increasing boost pressure or horsepower output. The Professional Series construction ensures this piston set can handle the demands of heavy-duty performance applications while maintaining exceptional reliability. Ideal for engine rebuilds, performance upgrades, or forced induction applications on Subaru FA20-equipped vehicles.