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FlowKooler pumps patented impeller designs help stop engines from overheating and reduces engine temperature up to 30 degrees by doubling the flow of coolant and building system pressure.

Home / Products / 1975 SBC Long with 3/4" shaft water pump

1975 SBC Long with 3/4" shaft water pump

$141.78 $141.78

1975 SBC Long with 3/4
1975 SBC Long with 3/4
1975 SBC Long with 3/4
1975 SBC Long with 3/4
1975 SBC Long with 3/4
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1975 SBC Long with 3/4" shaft water pump

$141.78 $141.78

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Small block Chevy running hot? This is the 5-13/16" hub with the 3/4 shaft used on the 350/5.7L.  It has an increased vane count and a reduced casting-to-impeller vane clearance.  It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids. 

FlowKooler introduced the first hi flow pumps and continues to improve impeller design. Why is increased flow so important to cooling a hot Ford engine? Because it has been proven time and time again that reducing the cycle time between the heat source and the heat sink creates more opportunities to shed heat and drop engine temperatures.

From 0-3,300 RPM…Nothing Beats a FlowKooler!

General Specifications:
Type of Material of Pump Body Cast Iron
Number of Vanes on Impeller 16 CNC Aluminum
Direction of Rotation CW or CCW
Fan Hub Working Height 5 13/16"
Hub holes 1-3/8" and 1-15/13"
Shaft Diameter 3/4"
Hose Connections: 1st 2nd
Gender F F
Diameter 15/16" 3/4"
Threaded Yes Yes
Other Special Features:
  • CNC Machined Aluminum impeller with 16 vanes
  • Impeller protected with military grade surface coating
  • Upper hose inlet contained in square boss 1 1/8" tall
  • Water pump fits Chevy GMC Truck applications
  • Alternative Part Numbers 12458928, 12522036, 8124589280, 8125104600, 8125220360, 8125244980, 8125517560
Parts Contained in Box:
1" pipe plug, Mounting Gaskets, Installation Sheet, FlowKooler Decal
Make Model Year CID Liters
Chevrolet C2500 1992 350 5.7L
Chevrolet C3500 1992 350 5.7L
Chevrolet K1500 1992 350 5.7L
Chevrolet K2500 1992 350 5.7L
Chevrolet K3500 1992 350 5.7L
GMC C1500 1992 350 5.7L
GMC C2500 1992 350 5.7L
GMC C3500 1992 350 5.7L
GMC K1500 1992 350 5.7L
GMC K2500 1992 350 5.7L
GMC K3500 1992 350 5.7L

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1975 SBC Long with 3/4
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1975 SBC Long with 3/4
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