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Early Access Chevy Big Block 348/409 High-flow Mechanical Water Pump - Black And More [uiTzvtyM]

$53.99 $172.99 -69%

Superior Cooling Power for Chevy Big Block Engines Elevate the cooling performance of your Chevy Big Block V8 engine with the TSP High-Flow Mechanical Water Pump. Designed for street performance engines, this high-flow water pump ensures that your en

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Early Access Chevy Big Block 348/409 High-flow Mechanical Water Pump - Black And More [uiTzvtyM]

Superior Cooling Power for Chevy Big Block Engines

Elevate the cooling performance of your Chevy Big Block V8 engine with the TSP High-Flow Mechanical Water Pump. Designed for street performance engines, this high-flow water pump ensures that your engine stays cool under heavy loads. With an 8-blade, cast aluminum anti-cavitation impeller, it delivers up to 40% more flow than most stock pumps, providing the extra cooling power you need for optimal engine operation.

Robust Construction for Longevity

The TSP High-Flow Mechanical Water Pump is built to last. It features heavy-duty bearings and seals that keep the shaft stable, ensuring excellent performance and reliability. The housing is crafted from lightweight A356-T6 aluminum, offering durability without adding unnecessary weight to your engine. To achieve the desired aesthetic, the pump is available in multiple finishes, allowing you to customize the look of your engine bay.

Compatibility and Specifications

This high-flow water pump is specifically designed for Chevy Big Block V8 engines, including the 5.7 L / 348 in3 and 6.7 L / 409 in3 models. Key specifications include a high-volume pump flow, a cast aluminum construction, and a clockwise pump rotation. The pump also includes a 5/8 In. pilot diameter, a 1/2 In. crank hub thickness, and pre-installed gaskets for a hassle-free installation. With the TSP High-Flow Mechanical Water Pump, you can expect superior cooling performance and a sleek, custom look for your Chevy Big Block engine.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

I'm impressed by the simplicity.

- Riley D..

February 7, 2026

Absolutely no complaints!

I am happy with this product.

- Franklin G..

February 7, 2026

Absolutely no complaints!

A perfect 10/10 purchase.

- Gavin J..

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