74mm Piston Kit with Rings Pin Clip Compatible with ZS174FMM CBS300 300cc ATV Quad Dirt Pit Bike Motorcycle Engines

This piston kit is engineered for 300cc single-cylinder engines with a 74mm bore size, commonly found in recreational and utility off-road vehicles. It includes a piston, piston rings, piston pin, retaining clips, and a bearing—providing all essential components for a standard -end rebuild.The kit is compatible with ZS174FMM and CBS300 engine models, and fits a range of ATVs and pit bikes such as T4, Z1, NX6, CPS250, and similar CB250-F based machines. Made from aluminum , it balances strength and thermal efficiency for consistent operation under demanding conditions.Please verify your engine specifications before purchase to ensure proper fitment, as minor variations may exist between model years or manufacturers.Compatibility Disclaimer: This is an aftermarket replacement part. Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.

• Precision-engineered 74mm piston kit designed for reliable performance in single-cylinder 300cc engines
• Includes piston, piston rings, piston pin, circlips, and bearing for complete replacement or rebuild
• Constructed from aluminum for durability and efficient heat dissipation
• Compatible with multiple models including T4, Z1, NX6, CPS250, and CB250-F variants
• Direct-fit replacement for ZS174FMM and CBS300 engine platforms
• Ideal for maintenance, restoration, or performance on off-road motorcycles and ATVs
• Compact and lightweight design (approx. 0.3kg) for easy handling and installation