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Vehicle Info NeededJET PERFORMANCEPART NUMBER: 561-4779S1
Modified Stage 1 Holley 4 BBL Carburetor 750CFM
$77203
Ships on 12/31/2026
Lowest Price GuaranteeStage 1 Carbs
Modified Stage 1 Holley 4 BBL Carburetor750CFM Manual Secondary
Jet Performance 4779S1 Features:
A Stage 1 Holley(R) 4 BBL begins with the disassembly and inspection of the carburetor for proper sizing of the idle, transition, acceleration and main metering circuits. The main body and metering blocks checked for straightness, boosters are aligned in the venturi and the throttle bores are aligned for proper seating. The carburetor is then reassembled using the highest quality parts and minor calibration changes many be made if deemed necessary by our technicians.- Proper Sizing Of The Idle/Transition/Acceleration
- Proper Sizing Of The Main Metering Circuits
- Metering Blocks Checked For Straightness
- Boosters Are Aligned In the Venturi
- Increased Signal Strength And Fuel Atomization
- Using The Highest Quality Parts
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Part TypeCarburetor
BrandJET PERFORMANCE
Package Height10.0
Package Width14.0
Package Length14.0
Weight14.0 PG
Part CategoryPerformance Parts
UsageStreet/Strip
EmissionN/A
QuantitySold individually
BarrelFour
Cfm750
TypeAutomotive
Throttle Linkage TypeUniversal
New Or RemanufacturedNew
Ford KickdownNo
Carburetor FlangeSquare bore
FuelGasoline
Secondary TypeMechanical
Part FitmentSemi Universal
FinishDichromate
Vendor Part Number4779S1
Package Qty1
Package TypeEA
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