Double Pumper Carburetor; Shiny Finish; 4 bbl; 600 cfm; Model 4150; Mech. Secondary; Manual Choke; Gasoline; Dual Fuel Inlet; 1.563 in. Throttle Bore; Zinc;
The Ultra Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061
  • Shiny Finish For Good Looks
  • Optimized Street/Strip Calibration That Works Out Of The Box
  • Manual Choke For Precise Cold Start Control
  • Mechanical Secondaries For Awesome Tire Turning Performance
  • Dual Accelerator Pumps For Add Fuel Under Initial Acceleration
  • Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
  • Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
  • 100% Wet Flow Tested By Holley Technicians

Application Summary:

Year Make/Model
Manual Choke Mechanical Secondaries

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.