Wiseco 626M05400 Pro-Lite Piston Kit 54mm Standard Bore 125cc 2-Stroke

The Wiseco 626M05400 Pro-Lite piston kit is engineered for high-performance 2-stroke dirt bike applications, featuring a 54.00mm standard bore designed for 125cc engines with a 54.5mm stroke. This complete piston assembly is forged from high-silicon aluminum alloy, delivering superior strength, reduced weight, improved heat transfer, and extended service life compared to cast pistons.

Key Features:

• CNC-machined for optimal cam shape and profile to maximize horsepower and service life
• Pro-Lite design with innovative forging and piston skirt engineering for enhanced torque delivery
• Forged from aerospace-grade, low-expansion aluminum alloy for maximum durability
• Diamond-turned finish ensures perfect dimensional accuracy with zero size variation
• Race-proven design trusted by professional racing teams across all motorsports disciplines
• Compatible with all modern cylinder bore compositions

Complete Kit Includes:

• One forged piston (54.00mm bore)
• High-performance ring set (Part# 2126CS)
• Wrist pin - 16mm x 1.752 inches (Part# S514)
• Two circlips (Part# CW16 - 16mm round wire pin locks)

Technical Specifications:

• Bore Size: 54.00mm (Standard)
• Displacement: 125cc
• Stroke: 54.5mm
• Dome Coating: Type 1
• Pin Diameter: 16mm
• Application: 2-stroke dirt bike engines

This piston kit provides the durability and performance demanded by both competitive racers and recreational riders. Note that top-end bearings, gaskets, and cylinder sleeves are sold separately and may be required for installation.