JE Pistons 199656 High Performance Forged Piston Honda - 87mm 2mm 12 1 TRX400EX XR400R

The JE Pistons 199656 is a high-performance forged piston designed specifically for Honda TRX400EX (1999-2008) and XR400R (1996-2007) applications. With an 87mm bore (+2mm oversize) and 12:1 compression ratio, this piston delivers improved power and performance for both racing and recreational use.

Key Features:

• Precision-forged construction for maximum strength and durability
• Smooth radius dome and dish designs for optimized combustion
• Radiused valve reliefs to prevent valve-to-piston contact
• Precision CNC machined ring grooves for superior ring seal
• Machined oil drain back holes engineered for specific oil control
• Factory honed pin bores with wrist pins and locks included
• 87mm bore size (+2mm oversize from stock 85mm)
• 12:1 compression ratio for increased power output

Important Installation Note: This is an oversize piston that requires cylinder boring and replating for proper installation. Professional installation is recommended to ensure proper clearances and performance.

JE Pistons brings over 50 years of proven racing experience to every piston they manufacture. Trusted by professional racing teams worldwide, JE has earned championships across NASCAR, Indy 500, Baja 1000, SCCA Trans-Am, 24 Hours of Daytona, LeMans, Paris to Dakar, and numerous other premier motorsports events.