JE Pistons 371718 Forged Piston Set 2618 Aluminum 3.228 Bore 6-Cylinder

The JE Pistons 371718 is a high-performance forged piston kit designed specifically for BMW B58B30 and Toyota B58C30 3.0L turbocharged engines. This complete set includes six pistons precision-engineered for extreme performance applications including high boost, elevated compression ratios, and professional competition use.

Key Specifications:

• Bore Size: 3.228 inches (82.00mm) - Standard size
• Compression Height: 1.307 inches (33.2mm)
• Wrist Pin Diameter: 0.866 inches (22.0mm)
• Compression Ratio: 10.5:1
• Inverted Dome/Dish design for optimized combustion
• Nominal Weight: 314 grams per piston

Premium Construction:

• Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
• Engineered, forged and machined 100% in the USA
• Dome and dishes feature smooth flowing radii for excellent flame travel
• Thicker ring lands, strong 2618 forged aluminum, and modern, proven designs
• Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width

Complete Kit Includes:

• Six forged pistons
• Carbon steel wrist pins
• Premium carbon steel gas nitrided piston rings
• Wrist pin locks

The 2618 aluminum alloy provides the higher tensile strength necessary for extreme applications including professional competition, highest boost levels, or heavy nitrous usage. This piston set is ideal for engine builders seeking maximum durability and performance in turbocharged BMW and Toyota inline-six applications.