Chevy Big Block 348/409 High-Flow Mechanical Water Pump - Satin
Chevy Big Block 348/409 High-Flow Mechanical Water Pump - Satin
SKU: SKU: HC8009
In stock


Product Details
Features
- High-flow pump with upgraded internals and 5/8" pilot shaft
- For big block Chevy Gen. I "W" engines 348 and 409
- 1-Year Warranty
Description
TSP High Flow Water Pumps offer that extra cooling power you need for your street performance engine. With an 8-blade, cast aluminum anti-cavitation impeller, these flow at about 40% above most stock pumps. The heavy duty bearings and seals keep the shaft stable, ensuring excellent performance and reliability. The housings are cast from lightweight A356-T6 aluminum and come in multiple finishes to achieve any desired aesthetic.
Specs
Pump Flow | High-Volume |
Pump Material | Aluminum |
Pump Rotation | Clockwise |
Pilot Diameter | 5/8 In. |
Crank Hub Thickness | 1/2 In. |
Gaskets | Included |
Finish | Polished |
Fitment
COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. I (W)
• 5.7 L / 348 in3
• 6.7 L / 409 in3
Emissions Notice
This product does not affect vehicle emissions and is not subject to emissions compliance regulations.
Happy with the quality and the tech support!

Chevy Big Block 348/409 High-Flow Mechanical Water Pump - Satin
TSP High Flow Water Pumps offer that extra cooling power you need for your street performance engine. With an 8-blade, cast aluminum anti-cavitation impeller, these flow at about 40% above most stock pumps. The heavy duty bearings and seals keep the shaft stable, ensuring excellent performance and reliability. The housings are cast from lightweight A356-T6 aluminum and come in multiple finishes to achieve any desired aesthetic.
Compatible with:
CHEVROLET BIG BLOCK V8 GEN. I (W)
• 5.7 L / 348 in3
• 6.7 L / 409 in3
Pump Flow | High-Volume |
Pump Material | Aluminum |
Pump Rotation | Clockwise |
Pilot Diameter | 5/8 In. |
Crank Hub Thickness | 1/2 In. |
Gaskets | Included |
Finish | Polished |