This Chevy Small Block Long-Style Reverse Rotation High-Flow Mechanical Water Pump is designed for Gen I Small Block Chevrolet V8 engines using a reverse-rotation serpentine accessory drive system. The high-volume 8-vane impeller helps improve coolant circulation while maintaining compatibility with long-style accessory drive configurations.

Pulley Alignment
5.750 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 SMALL BLOCK V8 GEN. I
• 4.3 L / 265 in3
• 4.4 L / 267 in3
• 4.6 L / 283 in3
• 4.9 L / 302 in3
• 5.0 L / 305 in3
• 5.4 L / 327 in3
• 5.7 L / 350 in3
• 6.6 L / 400 in3

NOTES:
Long style used in most passenger cars from 1969 and light trucks from 1973 up till the mid-1990s.
It is important to measure to determine pump style.
Not compatible with LS-series or LT-series engines.

SPECIFICATIONS
Color: Silver
Fan Clutch Included: No
Finish: Polished
Gasket Included: Yes
Grade Type: Performance
Housing Material: Aluminum
Hub Height: 5.750 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