Wiseco Pistons K0381X2 Professional Series Forged Piston Kit Bore - 3.800

The Wiseco K0381X2 Professional Series Piston Kit is engineered for high-performance GM 5.3L L83 engines requiring exceptional strength and durability. This complete forged piston set features a 3.800-inch bore diameter, 3.622-inch stroke compatibility, and a -0.5cc dish design optimized for 6.125-inch connecting rod length with 0.927-inch wrist pins.

Professional Series Construction: Forged from high-grade 2618 aluminum alloy for superior strength and resilience under extreme temperatures and pressures. Designed to handle builds exceeding 1500+ horsepower, these pistons are ideal for naturally aspirated, turbocharged, and supercharged applications.

Key Features:

• ArmorGlide skirt coating reduces friction and minimizes cylinder wall wear
• 0.200-inch wall wrist pins for added strength and reliability
• Spirolox retention system included
• Complete kit with rings and necessary hardware
• Engineered crown shape promotes optimal air-fuel mixture flow and combustion efficiency
• Race-proven design suitable for serious performance and racing applications

The ArmorGlide coating technology enhances piston longevity while contributing to improved engine efficiency through reduced operating friction. Perfect for engine builders and performance enthusiasts demanding the highest quality forged pistons for GM Gen V direct injection applications.