Carburetor

Core Marine Performance

• 750 CFM 4-barrel design: Optimized airflow for marine engine demands
• Air valve-controlled secondary throttle: Smooth power transitions for vessel stability

Convenience & Tuning

• Electric choke: Automatic temperature adjustment for easy cold starts
• Pre-calibrated: 0.11-inch main jets, 0.107-inch secondary jets, 0.031-inch accelerator nozzle, and metering rod system for out-of-the-box use
• Adjustable metering rods (0.075x0.047 inch): Allow fine-tuning for specific marine setups

Build & Installation

• 100% new components (non-remanufactured): Avoids hidden wear risks; built for marine durability
• Single fuel inlet, 3.25-inch height, square bore flange: Simplifies installation

Optimized Street-Strip Performance

• 750 CFM square-bore flow with mechanical secondaries (instant power engagement)
• Dual fuel inlets ensure stable supply during hard acceleration
• Balanced 1.38" primary/secondary venturis for linear power delivery

Precision Calibration

• #74 primary jets (street efficiency) + #80 secondary jets (WOT performance)
• 6.5Hg power valve for controlled fuel enrichment
• 0.031" accelerator pump nozzle for crisp throttle response

Automatic Transmission Ready

• compatible with GM, Chrysler, Ford A/T kickdown linkage. Additional parts may be required.
• Electric choke enables instant cold starts in all conditions
• Low-profile 3.25" height clears stock hoods

Mildly Modified Vehicles

• 750 CFM square-bore flow for maximum high-RPM power
• Vacuum-operated secondaries for seamless throttle response
• Dual fuel inlets ensure consistent high-volume fuel delivery

Precision Engineering

• Optimized #72 primary / #75 secondary jet calibration
• Balanced 1.375" venturis for even airflow distribution
• 6.5Hg power valve for controlled fuel enrichment & blow-out protection

Bolt-On Dominance

• Electric choke for instant cold starts in all conditions
• 100% wet-flow tested by technicians to assure it arrives ready to run
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage, additional parts may be require
• Compact 3.25" height clears restrictive engine bays

High-Performance Power Delivery

• 750 CFM square-bore design with mechanical secondaries for rapid throttle response
• No choke system reduces engine bay clutter, ideal for performance-focused builds
• Dual fuel inlets ensure consistent fuel supply under extreme load (e.g., racing, wide-open throttle)

Optimized Calibration

• #74 main jets and #84 secondary jets for precise air-fuel mixture in high-performance setups
• 4.5Hg power valve enhances low-end performance and high-RPM stability
• 0.031-inch accelerator pump nozzle delivers instant fuel on demand, eliminating lag

Efficient Airflow Design

• 1.375-inch primary and secondary venturis balance velocity and volume for optimal atomization
• 1.6875-inch throttle bores maximize airflow to support high-RPM power output
• 3.25-inch low-profile height fits tight engine bays and high-performance intake manifolds

Durable & Versatile

• Compatible with various high-performance intake manifolds and fuel systems, reducing modification needs
• 100% brand-new construction (no remanufactured parts) for long-term reliability
• Square bore flange ensures broad fitment across performance engine configurations

Manual Dominance System

• Manual choke for absolute throttle control during competition
• Air valve-controlled secondaries (vacuum-modulated power delivery)
• Oversized #113 primary jets for extreme WOT fuel demand

Precision Race Calibration

• Dual-stage metering rods (0.071"x0.047") for 6500RPM+ fuel stability
• 1.44" venturi accelerates airflow velocity (+22% vs standard)
• Equal 1.69" primary/secondary bores maximize high-RPM breathing

Track-Ready Integration

• Direct bolt-on for GM/Ford/Chrysler AT shift linkages (TH400/C6/727)
• Low-profile 3.25" height clears cowl induction hoods
• Can be used with intake manifold 7176.

Core Performance

• 750 CFM airflow, supports 350–550 HP for high-performance small-block/big-block V8 engines.
• Air Valve-Controlled Secondaries: Smooth power progression at high RPM, prevents bogging.
• Backfire-resistant metering rod system (no power valve): Avoids blow-out risks; quick rod swaps without carb removal/fuel draining.

Durability & Versatility

• Lightweight corrosion-resistant aluminum: 2-piece warpage-resistant body, compatible with gasoline, gasohol, and blended fuels.
• 100% brand-new (non-remanufactured): Precision CNC-machined components, 100% wet-flow tested for leak-free performance.
• User-friendly design: Tub-type bowls + rear-pivot floats for hassle-free long-term use.

Installation & Compatibility

• Bolt-on square-bore flange: Straightforward installation
• Optimized for Ford 460 Big Block FE engines
• Compatible with GM/Ford/Chrysler AT shift linkages (excludes Ford AT requiring kickdown).
• Electric choke: Automatic cold-start control for all climates.

Key Restrictions

• Not for marine use, supercharged systems, RPM/Torker II intake manifolds.
• Requires additional parts for original Chevrolet 305 Quadrajet intake manifolds.

Universal Performance & Calibration

• 750 CFM airflow supports high-performance small-block/big-block V8 engines (stock to mildly modified).
• Vacuum secondaries adapt to vehicle weight/gearing/transmissions for smooth power delivery.
• Universal #72/#76 jet calibration + 1.375" balanced venturis = out-of-the-box readiness.

Durable Build & Protective Features

• Vibratory polished aluminum body (corrosion-resistant, sleek engine bay aesthetic).
• Power valve blow-out protection prevents backfire damage.
• 100% wet-flow tested to ensure leak-free, ready-to-run performance.

Reliable Fuel Delivery & Control

• Dual fuel inlets for constant high-volume delivery under heavy load.
• Cable-actuated manual choke for precise cold-start adjustments.
• 4-chamber auxiliary fuel tank design improves fuel efficiency.

Compatibility & Value

• Bolt-on square-bore design fits GM/Ford/Chrysler AT linkages (additional parts may be needed).
• Restrictions: Not for marine use; fuel line center-to-center length = 8.8 inch.