Chevy Big Block Short-Style Reverse Rotation High-Flow Mechanical Water Pump - Polished

This Chevy Big Block Short-Style Reverse Rotation High-Flow Mechanical Water Pump is designed for Chevrolet Mark IV Big Block V8 engines, including 396, 402, 427, and 454 applications using a reverse-rotation serpentine accessory drive system. The high-volume 8-vane aluminum impeller helps improve coolant circulation while maintaining compatibility with short-style accessory drive configurations.

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

Impeller & Flow Design
The 8-vane counter-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. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3

NOTES
Counter-clockwise water pumps intended to spin opposite the crankshaft in a typical serpentine set-up.
It is important to measure to determine pump style.

SPECIFICATIONS
Color: Silver
Fan Clutch Included: No
Finish: Polished
Gasket Included: Yes
Grade Type: Performance
Housing Material: Aluminum
Hub Height: 5.75 in.
Hub Hole Quantity: 8
Hub Thickness: 0.500 in.
Impeller Material: Aluminum
Impeller Rotation: Counter-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