Speedmaster Mopar Chrysler BB RB Block Zinc Plated Valley Pan PCE473.1001 413 426 440

The Speedmaster PCE473.1001 is a zinc-plated valley pan engineered for Mopar Chrysler BB and RB big-block engines, fitting 413, 426, and 440 displacement models. This component sits atop the engine block and manages oil circulation and cooling in the valley area between the cylinder heads, making it essential for reliable engine performance and longevity.

Constructed with a zinc-plated finish for corrosion resistance, this valley pan integrates seamlessly with original Mopar engine architecture. It is ideal for engine rebuilds, restorations, performance upgrades, and daily-driver maintenance on classic and muscle cars equipped with these legendary big-block powerplants. The precision fit and durable coating ensure consistent performance across a range of Chrysler BB RB engine applications.

Key Features & Benefits

• Mopar BB RB Compatibility: Engineered for Mopar Chrysler big-block 413, 426, and 440 engines.
• Zinc Plated Finish: Corrosion-resistant coating protects against rust and extends component life.
• Precision Engine Block Fit: Designed for exact fitment to valve cover and block surfaces.
• Oil Management: Channels oil circulation through the engine valley for optimal cooling and lubrication.
• Restoration Ready: Ideal for engine rebuilds, restorations, and performance upgrades.

Specifications

Ideal Applications

• Engine rebuilds and restoration on classic Chrysler muscle cars
• Big-block engine maintenance and valve cover gasket work
• Performance engine upgrades and modifications
• Original equipment replacement for Mopar BB RB platforms