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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 / 1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4" shaft for 305 350 374 water pump

1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4" shaft for 305 350 374 water pump

$199.00

1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
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1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4" shaft for 305 350 374 water pump

$199.00

Flowkooler's pump 1880 for a small blocks with the short height and the 3/4" pilot shaft has a 16 blade skip vane impeller that is CNC machined from billet aluminum.  An increased vane count and a reduction in the plate-impeller clearance achieves greater flow rates, higher head pressure and a more efficient flow than other OEM water pumps.  It is then surface coated with a military grade type II Class II anodized finish. 

FlowKooler introduced the first hi flow pumps and continues to improve impeller design. Why is increased flow so important to cooling a hot small block 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 Aluminum
Number of Blades on Impeller 16 CNC Aluminum
Direction of Rotation CW or CCW
Pump alternatives Pump 1683 for cast iron
Fan Hub Working Height 5 13/16"
Shaft Diameter 3/4"
Inlet Outside Diameter 1 7/8"
Hose Connections 1st 2nd
Gender F F
Diameter 3/4" 1"
Threaded Yes Yes
Other Special Features:
  • CNC Machined Aluminum impeller with 16 vanes
  • Protected with a military grade Type II Class II surface coating
  • 3/4" impeller shaft
  • Double fan blade bolt pattern on hub
  • Shaft extends past the fan hub .400" 
Parts Contained in Box:
Mounting Gasket, Installation Sheet, FlowKooler Decal
Make Model Year Block CID Liters
chevrolet corvette 1980 V8 305 5.0L
chevrolet corvette 82-71 V8 350 5.7L
chevrolet med/hd series 40 80-73 V8 350 5.7L
chevrolet med/hd series 50 90-73 V8 350 5.7L
chevrolet med/hd series 60 90-73 V8 350 5.7L
chevrolet med/hd series c50 86-80 V8 350 5.7L
chevrolet med/hd series c60 1983 L6 374 6.1L
chevrolet med/hd series c60 1983 V8 366 6.0L
chevrolet med/hd series c60 90-80 V8 350 5.7L
gmc c5000 86-80 V8 350 5.7L
gmc c5000 89-87 All All  
gmc c6000 90-80 V8 350 5.7L

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1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
1880 1971-1990 Chevy GMC 1971-1982 Corvette Short 3/4
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