Federal Mogul WH831CP40 Cast Piston Oversize - 0.040

The Federal Mogul WH831CP40 is a high-quality cast piston designed for engine rebuilds and performance applications. This piston features a 0.040-inch oversize bore, making it ideal for engines that have been bored out to restore proper cylinder wall clearances or increase displacement.

Key Features:

• DUROSHIELD skirt coating reduces friction and prevents scuffing during startup
• Moly-graphite coating extends engine life and improves fuel economy
• Cast aluminum construction provides reliable performance for street and bracket racing applications
• Engineered to exacting tolerances for proper fitment and long-term durability
• Protects against damage from inadequate lubrication during cold starts
• Operates with tight bore clearances and normal ring end gaps

Federal Mogul is a leading manufacturer of powertrain components with a reputation for quality and reliability. This piston is manufactured to OEM specifications and is suitable for street performance, daily driving, and moderate racing applications.