Wiseco K0425X185 Chevy LS 3.900 Stroker Piston Kit with .927 Pin

The Wiseco K0425X185 is a forged piston kit designed for Chevy LS engines built around a 3.900-inch stroker crankshaft. Engineered for high-performance and racing applications, this kit includes Wiseco's industry-trusted forged aluminum pistons paired with a .927-inch pin, delivering the strength and precision required in demanding LS builds.

Wiseco forged pistons are manufactured using a proprietary ArmorGlide skirt coating that reduces friction and improves scuff resistance, while the forged 2618 or 4032 aluminum alloy construction ensures superior strength over cast pistons — making them an ideal choice for turbocharged, supercharged, and naturally aspirated high-output LS applications.

Key Features:

• Designed for Chevy LS engines with a 3.900-inch stroke configuration
• Includes .927-inch full-floating wrist pins for reduced reciprocating mass and improved rod-to-piston fit
• Forged aluminum construction for maximum strength and durability under high cylinder pressures
• Precision CNC-machined to tight tolerances for consistent ring seal and optimal combustion efficiency
• Compatible with high-performance LS stroker engine builds
• Wiseco's proven performance piston technology trusted by professional engine builders

Whether you're building a street/strip LS powerplant or an all-out race engine, the Wiseco K0425X185 piston kit provides the reliability and performance needed to get the most out of your stroker combination.