Description

650 CFM – 4150 – Mechanical Secondaries – Gold Dichromate – GasolineGold Dichromate finish for corrosion resistanceOptimized race calibrationContoured venturri inlet offers balanced airflow for increased horsepowerScrew in air bleeds for precision tuning capabilitiesDual 30cc accelerator pumps for additional fuel under initial accelerationDual feed fuel inlets for constant high volume fuel delivery4 corner idle allows you to precisely control your idle systemProgressive Secondaries for perfect off the line launchesStainless steel throttle platesIncludes notched float and jet extensionsCalibrated for gasoline100% wet-flow tested by Holley technicians to assure it arrives ready to run!Holley HPâ?¢ carburetors have been the standard in racing carburetors for nearly two decades. Powering the biggest names in NASCAR to the Saturday night racer, HP carburetors are the perfect choice for all types of motorsports.Classic HP carburetors are available from 390 to 1000 CFM and feature a contoured venturii inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow metering blocks and Dominator style fuel bowls which allow pluming from either side for ease of installation.Holley HP carburetors are the standard for square bore race carburetors. Race-Ready out of the box!

Barrels: 4

Body Color: Gold Dichromate

Body Finish: Plated

Body Material: Aluminum

Booster Design: Straight

Booster: Straight

Carburetor Material: Aluminium

Carburetor Use: Performance and Race

CFM Rating:650

Choke Type: None

Choke: None

Circuit Count:2

Color: Gold Dichromate

Condition: New

Cubic Feet Per Minute Rating: 650

Finish: Gold Dichromate

Flange Shape: Square

Flange Type: Square/4150

Fuel Inlet: Dual

Fuel Type: Gasoline

Fuel: Gasoline

Grade Type: Performance

High Speed Air Bleed: 45

Idle Air Bleed Size: 72

Linkage Attached: Yes

Marine Approved: No

Material: Aluminum

Model: 4150

Mounting Hole Quantity: 4

Primary Jet Diameter: 70

Primary Main Jet Size:70

Primary Power Valve: 6.5

Primary Pump Nozzle Size: 28

Secondary Barrel Type:Mechanical

Secondary Main Jet Size:70

Secondary Power Valve: 6.5

Secondary Pump Nozzle Size: 29

Spacer Included: No

Supercharger Compatible:No

Throttle Bore Diameter:1.688 inch

Venturii Size: 1.250 inch