Wiseco 6445LXS Chevy LS Forged Piston -15cc R/Dome 4.000 in. Bore Professional Series

The Wiseco 6445LXS is a Professional Series shelf-stock forged piston engineered for Chevrolet LS-series engines, featuring a -15cc reverse dome (R/Dome) crown design, a 4.000 in. bore, a 1.1099 in. compression height, and a 0.927 in. wrist pin diameter. Sold individually, this piston is purpose-built for serious racers and high-performance engine builders who demand precision and durability.

Key Features:

• Professional Series forged construction — engineered, forged, and machined in the USA from 2618 aluminum alloy for superior tensile strength and thermal fatigue resistance
• -15cc Reverse Dome (R/Dome) crown — allows for precise compression ratio tuning in high-performance LS builds
• 4.000 in. bore diameter with 1.1099 in. compression height and 0.927 in. pin diameter
• ArmorGlide® skirt coating — provides seizure resistance, reduces operating friction, and promotes quieter piston operation
• Fully machined crown with precision ring grooves, anti-detonation groove, and ring-seal-improving features
• Forced pin oiling — ensures effective wrist pin lubrication under extreme load and RPM conditions
• Shelf-stock availability — ready for immediate use without custom lead times, ideal for time-sensitive race and rebuild projects
• Designed and built to withstand heavy to severe-duty performance applications

The Wiseco 6445LXS is part of the no-expense-spared Professional Series lineup, providing custom-level performance features right off the shelf. Whether building a naturally aspirated LS race engine or a boosted street/strip combination, this piston delivers the strength, precision, and reliability that Wiseco's Professional Series is known for. Sold as a single piston.