Wiseco K0417X3800 Chevy LS 3.900 Stroker Forged Piston Kit 3.800in Bore 0.927in Pin

The Wiseco K0417X3800 is a Professional Series forged piston kit engineered specifically for Chevy LS stroker builds using a 3.900-inch stroke crankshaft.

These pistons are optimized for the 3.900-inch stroke rod angle, which provides smoother and more precise operation while reducing bore distortion, crank and rod stress, and helping maintain a consistent ring seal throughout the power range.

Key Features:

• Bore Size: 3.800 inches
• Compression Height: 1.165 inches
• Pin Diameter: 0.927 inches
• Stroke: 3.900-inch stroker optimized
• Material: 2618 high-strength forged aluminum alloy
• ArmorGlide skirt coating for seizure resistance, friction reduction, and quieter operation
• Fully machined crown features with precision ring grooves
• Engineered, forged, and machined in the USA at Wiseco's Mentor, Ohio facility

As part of Wiseco's Professional Series, the K0417X3800 is a no-compromise piston designed for serious engine builders tackling heavy- to severe-duty race and performance builds. Premium rings are included, delivering race-ready sealing right out of the box.