JE Pistons 221834 Forged Dome Piston Bore - 2618 3.898

The JE Pistons 221834 is a high-performance forged racing piston engineered for demanding powersports applications. This single piston is precision-forged from 2618 aluminum alloy, a material specifically chosen for its superior strength and durability under extreme racing conditions.

Key Specifications:

• Bore Size: 3.898 inches (99.00mm)
• Compression Distance: 1.022 inches
• Wrist Pin Diameter: 0.827 inches
• Dome Top Configuration
• Forged from 2618 Aluminum Alloy

JE Pistons has been the industry leader in high-performance forged racing pistons since 1947. Each piston is engineered, forged, and CNC-machined in-house in the USA to exacting tolerances measured in millionths of an inch. The 2618 alloy provides excellent tensile strength and fatigue resistance, making these pistons ideal for high-horsepower racing builds.

Note: This piston requires a file-fit piston ring set (sold separately). Professional installation and proper ring fitting is recommended for optimal performance and reliability.