Meziere WP300UP 300 Series High-Flow Electric Water Pump for Big Block Chevy

The Meziere WP300UP is a premium 300 Series high-flow electric water pump engineered for high-performance Big Block Chevy applications. This American-made pump delivers an impressive 55 gallons per minute of coolant flow, providing exceptional cooling capacity for engines ranging from 650+ horsepower street builds to 2,200 horsepower Pro Mod race engines.

Key Features:

• 55 GPM flow rate handles supercharged, turbocharged, nitrous, and high-compression engines
• CNC-machined 6061-T6 billet aluminum construction with polished finish
• Lightweight design at only 7.4 pounds
• Heavy-duty motor with 11-12 amp draw under normal operation
• Stainless steel large-diameter main shaft with high-performance carbon-ceramic seal
• Epoxy-coated motor windings for superior corrosion resistance
• RF suppression circuit reduces ignition interference
• Pre-machined heater or bypass port for street practicality
• 1-3/4 inch welded inlet hose connection
• 7.28 inches overall depth from mounting surface
• Clears cam belt drives and most blower drive systems

The ported WP300UP version features an 8AN female threaded bypass port, making it ideal for street-driven performance vehicles where heater functionality is desired. This pump eliminates the parasitic power loss of mechanical water pumps while providing consistent coolant flow regardless of engine RPM. Backed by Meziere's 2-year unlimited mileage warranty.