
JEGSPART NUMBER: 555-16705
Race-Series 750 CFM Gasoline Carburetor Mechanical Secondary
$58599$635.99You Save$50.00
6 left in stock750 CFM Polished
Race-Series 750 CFM Gasoline Carburetor4150 Square Bore Mechanical Secondary Dual Fuel Inlets 4-Corner Idle Screw-In Air Bleeds 4-Stages of Emulsions Down-Leg Boosters Wet-Flow Tested Aluminum Polished
JEGS 555-16705 Race Series Carburetor Features:
- High-flow design with a streamlined main body, no air horn, and no choke tower, eliminating restrictions for improved airflow and throttle response
- Precision Hard Anodized metering blocks with fuel control baffling, changeable idle feed restrictions, and adjustable screw-in air bleeds for precise fuel delivery and easy tuning
- Performance throttle baseplate equipped with adjustable accelerator pump cams, power-valve blow-out protection, slabbed throttle shafts, and slip-link mechanical secondary linkage for smooth and efficient operation
- Advanced aluminum fuel bowls with internal baffles, a lower fuel ramp, and sight glass windows to ensure consistent fuel flow and easy float adjustment
- Versatile tuning options with a timed (ported) and 2 manifold vacuum ports for vacuum-controlled components
- Easy maintenance and upgrades with standard replacement and tuning parts
- Utilizes industry-standard jets, air bleeds, power valves, gaskets, and boosters
- Durable and stylish vibratory tumble-polished shiny finish
JEGS 555-16705 Race Series Carburetor Specifications:
- Mechanical Secondaries (Double-Pumper)
- Dual-Feed 7/8 in.-20 Fuel Inlets
- Includes (2) 7/8 in.-20 to -6 AN Adapters
- Includes (2) 7/8 in.-20 Plugs
- Can be Plumbed from Either Side
- Center-to-Center Spacing: 8 21/32 in.
- 4150 Square Bore
- Nitrophyl Floats
- 4-Corner Idle Adjustment
- Wet-Flow Tested
- 1-11/16 in. Butterflies
- 1.390 in. Venturi's
- Accelerator Pumps: 30 cc
- Primary Jet Size: 71
- Primary Needle and Seat: 0.110 in.
- Primary Discharge Nozzle Size: .031 in.
- Primary Power Valve: 4.5 Hg
- Primary Idle Air Bleed: 63
- Primary High Speed Air Bleed: 33
- Secondary Jet Size: 82 (w/Extensions)
- Secondary Needle and Seat: 0.110 in.
- Secondary Discharge Nozzle Size: .031 in.
- Secondary Power Valve: None
- Secondary Idle Air Bleed: 63
- Secondary High Speed Air Bleed: 33
JEGS 555-16705 Race Series Carburetor Notes:
- Carburetor Float Set at 6.5 PSI Fuel Pressure for Optimal Out-of-the-Box Performance
- Too Little Pressure Can Cause Fuel Starvation; Too Much Can Cause Flooding
- Recommend JEGS 555-15912 Fuel Pressure Regulator for Precise Pressure Control (sold separately)
- Universal Throttle Linkage is Compatible w/GM, Ford, Mopar Kickdown Cables
- Additional Adapters may be Required
- Compatible w/Innovate Motorsports Throttle Position Sensor 39300 or equivalent (sold separately)
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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCarburetor
BrandJEGS
Package Height7.5
Package Width11.5
Package Length13.7
Weight9.45 PG
Part CategoryPerformance Parts
Primary Power Valve (Hg)4.5 Hg
ChokeNone
Primary Discharge Nozzle Size (In.)0.031 in.
Primary Main Jet71
Fuel InletDual
Cfm750
Primary Outer Air Bleed Sizes Included63
Fuel TypeGasoline
Throttle LinkageUniversal
New Or RemanufacturedNew
Booster TypeDown-leg
Secondary TypeMechanical
FinishPolished
Secondary Inner Air Bleed Sizes Included33
UsageDrag Racing
Carburetor Type4150
QuantitySold individually
Primary Inner Air Bleed Sizes Included33
Barrel4
EmissionsNot for use on emmissions controlled vehicles
Secondary Power ValveNone
TypeAutomotive
Secondary Outer Air Bleed Sizes Included63
Secondary Discharge Nozzle Size0.031 in.
Float MaterialNitrophyl
Secondary Jet Size82
Part FitmentSemi Universal
Package Qty1
Package TypeEA
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