Ultra Double Pumper® Carburetor; 4 bbl; 650 cfm; Model 4150; Mech. Secondary; Electric Choke; Gas; Dual Fuel Inlet; Shiny Black Metering Block/Base Plate w/Black Hardware;
Holley Double Pumper(R) carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.
  • Metering Blocks Base Plate For Good Looks True Gasket Sealing
  • Aluminum Construction For A 43% Weight Savings
  • Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
  • 100% Wet Flow Tested By Holley Technicians
  • Arrives Ready To Run
  • Optimized Street/Strip Calibration That Works Out Of The Box
  • Factory Preset Electric Choke For Easy Startups
  • Mechanical Secondaries For Awesome Tire Turning Performance
  • 4 Corner Idle Allows You To Precisely Control Your Idle System
  • Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments

Application Summary:

Year Make/Model
Electric 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.