BBC Water Pump Short Counterclockwise Rot.

The BBC Water Pump Short Counterclockwise Rotation by Edelbrock (MPN 88540) is designed for Big Block Chevy engines that require reverse rotation capability. This mechanical water pump is essential for custom engine builders and performance enthusiasts who utilize serpentine belt systems or unique accessory drives. Its short design profile is particularly beneficial for installations in tight engine compartments.

Constructed from lightweight aluminum, this water pump is engineered to provide efficient coolant circulation at the speeds and pressures demanded by modern Big Block Chevy engines. The 5/8-inch pilot bore ensures secure mounting to the engine block, allowing for various belt and pulley configurations. The counterclockwise rotation is achieved through internal impeller geometry, making it suitable for reverse-driven systems.

This pump is particularly advantageous for builders who have invested in custom serpentine belt kits or rear-mounted alternators. Its natural aluminum finish resists corrosion, maintaining a clean appearance under the hood. With a weight of 9.32 lbs and compact dimensions, it confirms its suitability for space-constrained installations.