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Single Stage Wet Sump Pressure Pump

Single Stage Wet Sump Pressure Pump

Dailey Engineerings single stage external wet sump oil pressure pumps utilize a custom 9 tooth spur gear design with built-in adjustable pressure regulator providing maximum efficiency and a consistent oil pressure curve across the engines RPM range. This pump mounts directly to the front of the engine block and replaces the internal oil pump for applications requiring higher oil volume, higher pressures, and reaching RPMs outside the limits of the OEM oil pump.


Pump Number Series: 02-99-1189-   


Pump part numbers have a final dash number that depends on what options are chosen. The final part number will be emailed to you along with a final pump drawing once the order is in process.  


Optional Pressure Gear Sizes: See technical page for more info. 

Pressure Gear Width: 1.20", 1.00", 0.80"


Pressure Regulator Spring: See technical page for more info. 

The pump is assembled with a Standard spring and both a High and Low will come with the kit


Pressure Inlet Fitting: 

Fitting Options: -12, -16


Pressure Outlet Fitting: 

Fitting Options: -10, -12


Mounting Bracket Options: 

Small Block Chevy: Door Car, Dragster

Big Block Chevy: Door Car, Dragster 





    • 1.200" wide pressure housing
    • integrated pressure regulator
    • 5/8" drive shaft with 3/16" keyway
    • Pump speed is 50% engine speed

    • HTD oil pump pulley assembly 
    • HTD oil pump drive belt
    • Crankshaft drive mandrel with HTD drive pulley
    • Plumbing 
    • Remote oil filter 
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