PRW Industries 1445403 High-Performance Aluminum Water Pump Reverse Rotation Big Block Chevy

The PRW Industries 1445403 is a high-performance mechanical water pump engineered for Big Block Chevy 454 applications using a serpentine belt drive. Built with a as-cast satin aluminum body and reverse rotation design, this pump delivers superior coolant flow to keep your engine running at optimal temperature under demanding street, performance, and racing conditions.

Key Features:

• High-flow design delivers 35 GPM at 4,000 RPM with minimal cavitation and proportionally increased flow at 5,000+ RPM
• Low pressure-injected A356 aluminum alloy pump body for lightweight strength and corrosion resistance
• Precision cast-iron CNC-machined impeller with tight clearances for maximized coolant velocity
• Heavy-duty 0.75 in. diameter steel shaft machined to aircraft industry tolerances
• Billet steel hubs with shielded-seal roller ball bearings for long-lasting durability
• Back plate O-ring sealed for a leak-free installation
• Reverse rotation configuration for serpentine belt-driven engines
• 5/8 in. pilot | Block-to-hub depth: 5.750 in. | Inlet diameter: 2.0 in.
• Pressure-balanced water passages equalize coolant flow and eliminate internal engine hot spots
• Satin as-cast aluminum finish

The PRW 1445403 is an excellent upgrade for street rods, hot rods, trucks, tow vehicles, and motorhome builds powered by a Big Block Chevy 454 with a serpentine belt system. Equalized water flow distribution ensures consistent cooling performance at any RPM, making it a proven choice for both daily-driven and high-output engines.