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

Add stronger coolant movement and a cleaner front-drive setup to Chevrolet Big Block V8 Gen. I (W) with this high-flow mechanical water pump. Key specs include high-volume, clockwise rotation, 5.500 in. hub height, 0.625 in. pilot diameter, polished aluminum, giving the installation the measurements and materials buyers look for in a quality replacement.

Pulley Alignment
5.500 in. hub height and 0.625 in. pilot diameter help position the pulley and fan drive during installation.

Impeller & Flow Design
The 8-vane clockwise high-volume impeller setup helps move coolant steadily through the block, heads, and radiator circuit.

Installation Notes
Confirm gasket included: yes, mounting hardware included: no, back housing included: yes before final assembly.

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

Specifications:
Color: Silver
Fan Clutch Included: No
Finish: Polished
Gasket Included: Yes
Grade Type: Performance
Housing Material: Aluminum
Hub Height: 5.500 in.
Hub Hole Quantity: 8
Hub Thickness: 0.500 in.
Impeller Material: Aluminum
Impeller Rotation: Clockwise
Impeller Vane Quantity: 8
Includes Back Housing: Yes
Mounting Hardware Included: No
Mounting Hole Quantity: 4
Outlet Quantity: 1
Pilot Diameter: 0.625 in.
Pulley Included: No
Pump Flow: High-volume
Thermostat And Housing Included: No
Water Pump Drive Type: Mechanical