Meziere WP300 High Flow Electric Water Pump, Chevy Big Block, Black

Keep your high-horsepower engine running at optimal temperatures with the Meziere WP300 Chevy Big Block Electric Water Pump. Purpose-built for performance, this high-flow 300 series water pump delivers an impressive 55 gallons per minute (GPM) to meet the rigorous demands of both aggressive drag strip cars and high-performance street rods.

Designed specifically for Big Block Chevrolet engines, the WP300 features a generous 1.44” back space, allowing it to easily clear most timing chain covers and belt drives. For drivers looking to integrate a heater, the customisable “ported option” provides a low-pressure -8 ORB female port (plug included) to seamlessly hook up your heater return line.

Engineered for longevity and reliability, this premium electric water pump boasts a 3,000+ hour life expectancy and draws only 11-12 amps. It is fully compatible with 16-volt systems and arrives complete with gaskets, stainless steel (SS) hardware, and the vehicle end of the electrical plug so you can get back on the road or track as quickly as possible.

Choose the perfect look for your engine bay: standard colours feature a show-quality anodised finish, whilst our polished pumps are meticulously hand-polished. For the ultimate show-stopping shine, the chrome pumps are hand-polished and chrome-plated right in the USA.

Key Features & Benefits:

• Exceptional Flow Rate: Delivers up to 55 GPM, ensuring superior cooling for demanding high-horsepower applications.

• Tailored Fitment: Fits Big Block Chevrolet engines with 1.44” clearance for timing chain covers and belt drives.

• Optional Porting: Available with a ported low-pressure connection for your heater return.

• Show-Quality Finishes: Available in Black, Blue, Red, Polished, and Chrome to match your unique build.

• Complete Kit: Supplied with high-quality gaskets, stainless steel hardware, and wiring components.

Technical Specifications:

• Application: Big Block Chevrolet

• Flow Rate: 55 GPM

• Overall Height: 7.28 inches / 18.5cm

• Weight: 7.4 LBS / 3.36 KG

• Amperage Draw: 11-12 amps

• Voltage Compatibility: Compatible with 12V and 16V systems

• Life Expectancy: 3,000+ hours

• Lower Hose Connection: 1 ¾” welded directly to the body

Installation Instructions

Need help fitting your new pump? Download the official Meziere installation guide here: Download the Meziere WP300 Installation Instructions (PDF)