Wiseco K0426X3800 Chevy LS 3.800 Bore 3.900 Stroker Forged Piston Kit with .927 Pin

The Wiseco K0426X3800 is a forged piston kit designed for Chevy LS stroker engine builds, featuring a 3.800" bore diameter and engineered for use with a 3.900" stroker crankshaft. This kit includes Wiseco's precision-forged aluminum pistons paired with .927" wrist pins, delivering the strength and durability required for high-performance and forced-induction LS applications.

Key Features:

• Forged aluminum construction for superior strength-to-weight ratio over cast pistons
• 3.800" bore diameter for stroker LS engine applications
• Compatible with 3.900" stroke crankshafts
• .927" wrist pin diameter for a robust pin-to-piston interface
• Precision CNC machined for consistent ring land geometry and tight tolerances
• Designed to withstand elevated cylinder pressures from naturally aspirated, turbocharged, supercharged, or nitrous applications
• Includes full piston set with wrist pins and retaining clips

Wiseco has been a trusted name in forged pistons for motorsport and performance engine building for decades. The K0426X3800 kit is ideal for builders looking to maximize displacement and power output from the GM LS platform while maintaining the reliability demanded in street/strip and track environments.