Wiseco Pistons 4903M10300 Forged Piston Kit Bore Compression - 103.00mm 11.0 1

The Wiseco 4903M10300 forged piston kit delivers maximum strength and reliability for high-performance powersports applications. This complete piston kit is engineered for 1.00mm overbore applications, bringing bore size to 103.00mm with an 11.0:1 compression ratio for increased power output.

Key Features:

• Forged from high-silicon aluminum alloy for superior strength and heat resistance
• Innovative forging design and optimized piston skirt geometry for maximum horsepower and torque
• 1.00mm oversize bore specification - 103.00mm finished bore diameter
• 11.0:1 compression ratio for enhanced performance
• Complete kit includes piston rings and circlips for installation
• Designed for durability, longevity, and increased horsepower in demanding conditions

Wiseco pistons are precision-engineered for powersports engines, using advanced forging techniques that create a stronger, more reliable component than cast pistons. The high-silicon aluminum alloy construction provides excellent wear resistance and thermal stability under high-performance conditions. This complete kit includes everything needed for piston replacement during engine rebuilds or bore upgrades.