Chrysler Small Block Carbureted Dual Plane Air Gap Aluminum Intake Manifold - Black

Upgrade your Mopar small block with the Top Street Performance Chrysler Small Block Dual Plane Air Gap Intake Manifold. Designed for carbureted Chrysler LA and Magnum engine applications, this black aluminum intake manifold features a dual bolt pattern for compatibility with both LA and Magnum cylinder heads. The dual-plane air-gap design combines strong low-end torque and excellent street manners with the airflow needed to support mid-range and upper-RPM performance.

The air-gap plenum design creates an open space beneath the intake runners to help reduce heat transfer from the engine. By keeping the incoming air/fuel mixture cooler, the manifold helps improve combustion efficiency, throttle response, and overall engine performance. This design is especially beneficial for street performance vehicles, muscle cars, hot rods, drag cars, and classic Mopar restorations where consistent power delivery is important.

Engineered for operation from approximately 1,500 to 6,500 RPM, this manifold supports a wide range of performance builds while maintaining excellent drivability. The lightweight aluminum construction reduces front-end weight compared to factory cast iron manifolds while providing improved airflow distribution for enhanced horsepower and torque potential.

Additional performance features include a square-bore carburetor mounting flange, integrated nitrous bosses, rear water crossover with auxiliary ports, and a low-profile design that helps improve hood clearance in many vehicle applications. The black finish delivers a show-quality appearance that complements restored and custom engine compartments alike.

Common applications include Mopar muscle cars, street machines, hot rods, restomods, and carbureted Chrysler LA and Magnum small block performance builds. This intake manifold is intended for high-performance and off-road use where increased airflow, improved throttle response, and enhanced engine efficiency are desired.

Air-Gap Design
The air-gap plenum isolates the intake runners from engine heat by creating an air space beneath the manifold. This design helps maintain a cooler intake charge during extended street and performance driving conditions.

Street Performance
Designed for strong low-end torque and responsive mid-range acceleration, the dual-plane runner layout delivers excellent drivability for street cars, muscle cars, hot rods, and weekend performance builds.

Performance Features
Additional features include a square-bore carburetor flange, integrated nitrous bosses, rear water crossover provisions, and a low-profile design that can help improve hood clearance in many performance applications.

COMPATIBLE WITH
CHRYSLER SMALL BLOCK
LA & Magnum Series Engines
Carbureted applications with square-bore carburetor flange
• 5.2 L / 318 in3
• 5.6 L / 340 in3
• 5.9 L / 360 in3

COMMON VEHICLE APPLICATIONS
Dodge Charger
Dodge Challenger
Plymouth Road Runner
Plymouth Barracuda
Chrysler New Yorker

NOTES
• Requires 1975 or earlier style water neck
• Designed for square-bore carburetors
• Verify hood clearance before installation
• Features dual intake bolt patterns for LA and Magnum cylinder heads
• Check cylinder head and accessory compatibility prior to installation

SPECIFICATIONS:
Basic Operating RPM Range: 1,500-6,500 RPM
Carburetor Flange Style: 4150 Square Bore
Carburetor Quantity: 1
Center Maximum Height: 5.350 in.
CNC Ported: No
Color: Black
Deck Height: Standard
EGR: No
Front Maximum Height: 4.900 in.
Fuel System Type: Carbureted
Gasket Or Seal Included: No
Grade Type: Performance
Intake Port Shape: Rectangle
Material: Aluminum
Rear Maximum Height: 5.800 in.
Single Or Dual Plane Type: Dual Plane