About this product
ULTRA light
Aluminum construction for 43% weight savings
ULTRA stealthy
Hard Core GrayT anodized finish
ULTRA strong
Billet metering blocks & base plates
ULTRA cool
Black anodized billet aluminum metering blocks and base plate
ULTRA easy
Built in sight window for simple float adjustments
ULTRA fast
High-performance fuel curves
The Ultra Double PumperT Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. They weigh in at approximately 5 lbs. less than a comparable zinc carburetor.
The new Ultra Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory pre-set electric choke for easy, fast cold start-ups.
The clean, stealthy look coupled with Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track.
Features:
- Hard Core GrayT w/ black anodized billet aluminum metering blocks/base plate. Casting is hard coat anodized for ultimate corrosion resistance
- Ultra Double Pumpers feature an 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
- Built in, clear fuel level sight glass for easy, no mess fuel level adjustments
- Aluminum construction for a 43% weight savings
- Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
- Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Specs
Barrels
4
Billet Color
Black
Booster
Down Leg
Brand
Holley
CFM
850
Choke
Electric
Emission Code
3
Finish
Hard Core Gray
Fuel
Gasoline
Fuel Inlet
Dual
Material
Aluminum
Model
4150
Primary Main Jet
80
Primary Power Valve
6.5
Primary Pump Nozzle Size
31
Product Type
4150 Model Carburetor
Secondaries
Mechanical
Secondary Main Jet
80
Secondary Pump Nozzle Size
31
Supercharged Application
No
Throttle Bore
1.750 inch
Vacuum Ports
1 timed (spark) port, 2 full, and 1 PCV port
Part Number
0-76850HB
Description supplied by FR SPORT through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.
