Fuel Pump Diaphragm Assembly; Low Pressure; For -30/-40 Ultra HP Fuel Mechanical Fuel Pumps;
Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro
  • Complete Diaphragm Assembly For -30/-40 Ultra Hp Fuel Pumps
  • For 12-327-30/12-454-30/12-454-40/12-289-30 Fuel Pumps

Application Summary:

Year Make/Model
Replacement mechanical fuel pump diaphragm and spring assembly for 12-327-30
12-454-40 and 12-289-30 fuel pumps.

Additional Information:

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.