JDC Titanium Underdrive Water Pump Pulley (Evo 4-9)


$ 215

JDC Titanium Underdrive Water Pump Pulley

The JDC Titanium Underdrive Water Pump Pulley is 10% bigger than the factory water pump pulley, which helps slow the water pump down for high revving motors and reduce high RPM cavitation. 

Looking for the JDC Billet  Aluminum Water Pump Pulley? Click Here.


  • CNC Machined from a Single Piece of Gr5 (Ti6Al-4V) Titanium
  • Reduces high RPM Cavitation
  • Over-engineered to be extremely strong and durable
  • Requires less inertia on the motor to spin the pump, which can free up horsepower
  • Features an outer lip to keep the belt on the pulley
  • Works on stock street cars to highly modified race cars


  • Evo 4-9

What's In The Box?

  • (1) Titanium Water Pump Pulley
  • (4) Titanium Bolts
  • (4) Titanium Lock Washers)

Shipping Times:

  • This JDC Titanium product is made to order. Your estimated order shipping time can be anywhere from 5-10 business days and can vary depending on your order size, products ordered, and the difficulty of custom options requested. If you would like a closer estimated shipping time, please call or email us. 

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