Vertex 22540B Replica Piston Kit 66.35mm Bore

The Vertex 22540B Replica Piston Kit delivers OEM-quality replacement performance with a 66.35mm bore size. Engineered as a direct factory replacement, this complete piston kit is designed to restore your engine to its original specifications with premium aftermarket quality.

Advanced Manufacturing Process:

• Heat treated with T-5 hardening and tempering cycle for enhanced durability
• Gravity cast from aluminum alloy with 18% silicon content for optimal strength-to-weight ratio
• High-tech Molybdenum Disulfide coating on piston skirts reduces friction and accelerates break-in
• Precision machined to OEM specifications for proper fitment and compression

Complete Kit Includes:

• Cast aluminum piston (66.35mm bore)
• OEM replacement piston rings
• Wrist pin
• Circlips

The Molybdenum Disulfide skirt coating provides exceptional lubrication during initial startup, significantly reducing break-in time while extending overall piston life. Vertex's gravity casting process with high silicon content produces a lightweight yet durable piston that withstands the demanding conditions of powersports engines.