Wiseco Pistons 339M05800 Forged Piston Kit 58mm Bore

The Wiseco 339M05800 is a high-performance forged piston kit designed for two-stroke motorcycle and powersports applications requiring a 58mm bore. Engineered for superior durability and performance, this piston is forged from high-silicon, low-expansion aluminum alloy that delivers exceptional strength-to-weight ratio, improved heat dissipation, and extended service life compared to cast pistons.

Key Features:

• Forged from high-silicon, low-expansion aluminum for superior strength and reduced weight
• Diamond-turned finish from CNC computer-controlled machining ensures precise tolerances and perfect fitment
• Compatible with all modern cylinder bore compositions including cast iron, chrome, Nikasil, and boron composite
• Advanced piston design optimizes heat transfer to prevent detonation and extend engine life
• Manufactured in Wiseco's state-of-the-art computerized facility with strict quality control

What's Included:

• Forged piston
• Piston rings
• Circlips
• Wrist pin

Wiseco pistons are trusted by professional racers and recreational riders alike for their proven performance and reliability. The precision CNC manufacturing process eliminates size variation and ensures consistent quality across every piston produced. Whether you're rebuilding a worn engine or building a high-performance setup, Wiseco delivers the quality and performance you demand.