950 CFM 4150 ALUM ULTRA XP (Hard Core Gray™) METHANOL
SKU
HTPD-0-80835HBX
List price
$1,624.80
Price
$1,217.95

Mechanical Secondary Calibrated for Methanol-4150

Features
  • Aluminum Construction (saves 4.5 lbs - 38% weight savings)
  • Hard Core Gray with black anodized billet aluminum metering block and booster inserts
  • Designed for use on Drag race, circle track, or any high horsepower engines
  • Methanol specific calibration
  • Contoured venturri inlet offers balanced airflow for increased horsepower
  • Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii
  • Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
  • Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship.
  • Helps maintain good idle control when using radical camshafts.
  • Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
  • Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
  • Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
  • Built in drain plug in front center of bowl provides easy access to empty contents of bowl
  • 8AN (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
  • .150" stainless needle & seats to control the demand of E-85
  • 4 corner idle allows you to precisely control your idle system
  • Mechanical Secondaries for perfect off the line launches
  • Elongated (dual pattern) mounting holes allow fitment on intakes with square flange (Holley 4150™ style) or large flange (Holley Dominator® style)
  • Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
  • Primary throttle shaft capped to prevent entry of debris & contaminates
  • Throttle shaft is slabbed and undercut for improved airflow
  • Factory machined accessory mounting hole for easy addition of adjustable primary throttle stop. New secondary pump cam lever designed to provide positive throttle stop on secondary side
  • Stainless steel adjustable secondary link. Provides choice of 1:1 or progressive secondary throttle actuation for ultimate control of secondary opening rate
  • Baseplate designed with a boss that can be consumer machined for vacuum source
  • Stainless steel throttle plates
  • Includes notched float and jet extensions
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Brand
HOLLEY
Category
Carburetor
Specs
CFM: 950
Fuel: Methanol
Brand: Holley
Choke: None
Model: 4150
Finish: Hard Core Gray
Barrels: 4
Booster: Down Leg
Warning: California Proposition 65
Category: Air and Fuel Delivery
Material: Aluminum
Warranty: Manufacturer's Limited 90 Day Warranty
Condition: New
part type: Carburetor
Fuel Inlet: Dual
Marine Use: No
Secondaries: Mechanical
Billet Color: Hard Core Gray with Black
Product Type: Carburetor
Sub Category: Carburetion
Emission Code: 3
Throttle Bore: 1.750 inch
Venturii Size: 1.600 inch
Carburetor Use: Professional Race
Primary Main Jet: 172
Secondary Main Jet: 172
Primary Pump Nozzle Size: 50
Supercharged Application: No
Secondary Pump Nozzle Size: 50