Wiseco K0419X125 Chevy LS 3.900 Stroker Forged Piston Kit 4.125 Bore .927 Pin

The Wiseco K0419X125 is a forged performance piston kit engineered for Chevy LS 3.900-inch stroker applications featuring a 4.125-inch bore diameter. This kit is built around Wiseco's proven stroker series design, delivering the strength and dimensional precision required for high-output and power-adder LS engine builds.

Key Specifications:

• Bore: 4.125 in.
• Stroke: 3.900 in.
• Rod Length: 6.125 in.
• Compression Height: 1.165 in.
• Wrist Pin Diameter: 0.927 in.
• Dish Volume: -23cc
• Compression Ratio: 9.3:1

Key Features:

• 2618 Forged Aluminum Construction: Forged in-house from 2618 high-tensile-strength alloy for improved durability and resistance in demanding applications
• H13 Wrist Pins: Premium H13-grade wrist pins included for superior strength at the pin bore
• GFX Ring Pack: Includes a 1.2mm / 1.2mm / 3.0mm GFX ring pack designed to complement the strength needed in power-adder builds
• ArmorGlide® Skirt Coating: Reduces operating friction, minimizes skirt and cylinder wear, and ensures quieter operation
• USA Manufactured: Engineered, forged, and machined at Wiseco's Mentor, Ohio facility on cutting-edge CNC equipment

Designed specifically for the GM LS platform with a 3.900-inch stroker crank, the K0419X125 kit provides everything needed for a complete piston installation in a stroker assembly. Whether building for street performance, drag racing, or boosted applications, Wiseco's forged LS stroker pistons deliver the precision and durability to handle the added stress of increased displacement and power.