JE Pistons 306368 Forged Piston

JE Pistons part number 306368 is a precision forged piston engineered for high-performance and racing engine builds. Manufactured 100% in the USA, JE Pistons brings over 75 years of motorsports experience to every piston in its lineup, making it a trusted choice among professional engine builders and performance enthusiasts alike.

This piston is forged from 2618 aluminum alloy, a low-silicon material prized for its high tensile strength and resilience under the extreme heat, pressure, and RPM demands of boosted and naturally aspirated performance engines. Each piston is fully CNC-machined to exacting tolerances, ensuring consistent ring seal, proper bore fit, and repeatable combustion efficiency.

Key Features:

• 2618 forged aluminum construction — superior strength and durability for high-demand applications
• Proprietary Forged Side Relief (FSR) forging design — reduces skirt width to minimize friction and power loss
• Precision CNC-machined ring grooves — engineered for optimal ring seal and long service life
• Diamond-turned skirts with machined side reliefs for improved durability
• Single forced pin oiler for consistent wrist pin lubrication
• Engineered and forged 100% in the USA by JE Pistons

JE Pistons are designed for each specific engine and use application to deliver the ultimate combination of performance and durability — from street builds to all-out racing programs.