Vertex 22521B Replica Piston Kit Bore - 66.36mm

The Vertex 22521B Replica Piston Kit is an OEM replacement piston assembly designed for motorcycles, ATVs, and other powersports applications requiring a 66.36mm bore diameter. This complete kit provides everything needed for a professional-quality engine rebuild.

Key Features:

• T-5 heat treatment process for enhanced hardening and tempering ensures optimal durability
• High-tech Molybdenum Disulphide (Moly) coating on piston skirt reduces friction for faster break-in and extended piston life
• Gravity cast aluminum alloy construction with 18% silicon content delivers exceptional strength-to-weight ratio
• OEM-spec replica piston and ring set ensures precise fitment and reliable performance
• Complete kit includes piston, rings, wrist pin, and circlips for hassle-free installation

Vertex pistons are engineered to meet or exceed original equipment specifications, making this kit an ideal choice for engine rebuilds, maintenance, or restoration projects. The specialized Moly coating minimizes wear during critical break-in periods while the precision-cast construction ensures long-term reliability.