Description
Meziere 300 Series High-Flow Electric Water Pump with Low Pressure Port (Big Block Chevy)
Engineered for extreme performance and high-horsepower street or drag applications, the Meziere WP300SP delivers an impressive 55 GPM flow rate to eliminate hot spots and prevent detonation under heavy loads.
Product Overview
The Meziere WP300SP 300 Series High-Flow Electric Water Pump represents the pinnacle of cooling technology for Big Block Chevrolet (BBC) engines. Designed specifically to handle high-horsepower street rods, drag race cars, and forced-induction setups, this electric water pump delivers up to 55 gallons per minute (GPM) of coolant flow independent of engine RPM.
Constructed from CNC-machined aircraft-grade billet aluminum with a sleek black anodized finish, the WP300SP includes an integrated low-pressure -8 ORB female bypass/heater port, making it ideal for street-driven vehicles requiring heater core retention. Featuring a heavy-duty motor, carbon-ceramic mechanical seal, and RF suppression circuitry, this pump ensures maximum thermal efficiency, low current draw, and long-term durability on both road and track.
Key Features
- ☑ Unrivalled Cooling Performance: Flows 55 GPM to maintain optimal operating temperatures in engines up to 2,200 HP.
- ☑ Integrated Heater/Bypass Port: Machined low-pressure -8 ORB port allows easy hookup for street heater return lines (port plug included).
- ☑ Aircraft-Grade Aluminum Construction: Lightweight CNC-machined body with durable black anodized finish.
- ☑ Heavy-Duty Electric Motor: Draws only 11–12 amps while offering a 3,000+ hour service life and 16V system compatibility.
- ☑ Superior Sealing & Protection: Equipped with a one-piece carbon-ceramic seal, epoxy-coated windings, and internal RF suppression.
- ☑ Direct BBC Fitment: Designed for Chevrolet Big Block engines with 1.44″ timing cover and belt drive clearance.
Technical Specifications
| Brand | Meziere Enterprises |
|---|---|
| Part Number | WP300SP |
| Engine Application | Big Block Chevrolet (BBC) |
| Flow Rate | 55 GPM (Gallons Per Minute) |
| Pump Series | 300 Series High-Flow |
| Housing Material | Billet / Cast Aluminum |
| Finish | Black Anodized |
| Inlet Connection | 1-3/4″ Hose Barb Inlet Port |
| Bypass / Heater Port | Yes (-8 ORB Low-Pressure Female Port) |
| Current Draw | 11.0 – 12.0 Amps |
| System Voltage | 12V / 16V Compatible |
| Backplate Clearance | 1.44″ Clearance to Timing Cover |
| Overall Depth | 7.28″ |
| Weight | 7.40 lbs |
What’s Included in the Box
- 1x Meziere WP300SP Black Anodized Electric Water Pump Assembly
- 1x Integrated 1-3/4″ Hose Barb Inlet Fitting
- 1x -8 ORB Port Plug
- High-Grade Mounting Gaskets
- Stainless Steel Mounting Hardware
- Wiring Harness Connector (Vehicle End Electrical Plug)
Meziere Enterprises is globally renowned for manufacturing uncompromising cooling solutions designed to withstand the highest demands of competition motorsport. As an authorized UK supplier, JP Racing provides genuine Meziere components with expert technical support and express UK delivery, ensuring your build stays cool when performance matters most.
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