VERTEX 23630A Replica Piston Kit for 66.34 Bore Applications

All pistons are heat treated with a T-5 hardening and tempering cycle

All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life

Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston

Forged pistons are forged from 2618 aluminum for superior strength and durability

Forged High Compression pistons improve power and torque across entire rpm range

Big Bore pistons increase engines displacement, torque, and peak horsepower

Forged Replica pistons are forged OE replacements

Replica pistons and all rings are OEM replacements

The VERTEX 23630A Replica Piston Kit is a replacement engine component designed for applications requiring a 66.34 bore piston. Built for professional powersports and engine service work, this kit provides a practical solution for restoring piston performance during an engine rebuild or component replacement. The VERTEX brand is recognized for producing application-focused replacement parts intended to support reliable service and maintenance.
Use this piston kit when the original piston has experienced wear, damage, or performance loss and the engine requires a correctly matched replacement. The replica design is intended to follow the form and functional requirements of the applicable original component, helping support proper installation and dependable operation when matched to the correct engine application. Always compare the part number, bore specification, piston design, and manufacturer