Chevy Big Block 348/409 High-Flow Mechanical Water Pump - Black

Bring dependable coolant flow back to the front of the engine with a high-flow mechanical water pump made for clean pulley alignment and lasting durability. Key specs include high-volume, 5/8 In. pilot diameter, polished, giving the installation the measurements and materials buyers look for in a quality replacement.

Pulley Alignment
5/8 In. pilot diameter help position the pulley and fan drive during installation.

Impeller & Flow Design
The high-volume impeller setup helps move coolant steadily through the block, heads, and radiator circuit.

Installation Notes
Confirm gasket requirements, pulley alignment, and hose routing before final assembly.

COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. I (W)
• 5.7 L / 348 in3
• 6.7 L / 409 in3

Specifications:
Pump Flow: High-Volume
Pump Material: Aluminum
Pump Rotation: Clockwise
Pilot Diameter: 5/8 In.
Crank Hub Thickness: 1/2 In.
Gaskets: Included
Finish: Polished