Upgrade your Big Block Chevy with the Top Street Performance Polished Aluminum Dual Plane Intake Manifold. Designed for carbureted Chevy Big Block V8 engines, this BBC dual plane intake manifold delivers improved throttle response, stronger low-end torque, and enhanced mid-range power for street performance, muscle car restoration, weekend cruiser, and performance truck applications.

The dual-plane runner design helps improve airflow velocity and fuel distribution throughout the RPM range, making this Chevy big block intake manifold an excellent upgrade for enthusiasts looking to improve drivability and acceleration without sacrificing street manners. Whether you're upgrading a 396, 402, 427, or 454 Big Block Chevy, this intake manifold is engineered to provide reliable performance across the usable powerband.

Designed to operate from idle to 6,000 RPM, this BBC aluminum intake manifold helps increase power and torque where street-driven vehicles spend most of their time. The lightweight aluminum construction improves heat dissipation while reducing weight compared to factory cast iron manifolds. A polished finish adds a clean, show-quality appearance to any engine compartment.

Additional features include dual distributor hold-down provisions, four-corner water ports, and a choke block-off kit. The manifold is configured for spread-bore carburetors and includes an adapter plate and gasket for square-bore carburetor applications, providing flexibility for a wide range of carbureted Big Block Chevy builds.

Whether you're replacing a factory intake manifold or completing a Big Block Chevy performance build, this Chevy carbureted intake manifold provides the airflow, torque, and drivability enthusiasts expect from a quality street-performance upgrade.

Dual Plane Intake Manifold Technology
The Top Street Performance Chevy Big Block Dual Plane Intake Manifold is engineered to improve airflow efficiency and fuel distribution across the RPM range. The dual-plane runner design helps maintain strong air velocity for improved throttle response, enhanced drivability, and consistent street performance. Lightweight aluminum construction also helps dissipate heat more effectively than many factory cast iron manifolds.

Street Performance Benefits
Designed for idle-to-6,000 RPM operation, this BBC dual plane intake manifold delivers strong low-end torque and mid-range power where street-driven vehicles spend most of their time. The low-profile design helps maintain hood clearance in many applications while providing the performance improvements needed for muscle cars, cruisers, street trucks, and weekend performance builds.

COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3

CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3

CHEVROLET BIG BLOCK V8 GEN. VI
• 7.4 L / 454 in3

COMMON VEHICLE APPLICATIONS
• Chevrolet Chevelle
• Chevrolet Camaro
• Chevrolet Nova
• Chevrolet El Camino
• Chevrolet Impala
• Chevrolet C10 Trucks
• Chevrolet C20 Trucks

NOTES
• Fits standard deck Chevy Big Block V8 engines with oval intake ports
• Designed for single 4-barrel carburetor applications
• Operates from idle to 6,000 RPM
• Configured for spread-bore carburetors
• Includes square-bore adapter plate and gasket
• Features dual distributor hold-down provisions
• Includes four-corner water ports and choke block-off kit
• Verify carburetor, linkage, fuel system, and hood clearance before installation
• Intake gaskets and installation components sold separately unless otherwise specified

SPECIFICATIONS:
Basic Operating RPM Range: Idle-5,500 RPM
Carburetor Flange Style: Spread Bore (4150 Square Bore with Included Adapter)
Carburetor Quantity: 1
Center Maximum Height: 4.850 in.
CNC Ported: No
Color: Polished
Deck Height: Standard
EGR: No
EGR Block-off Included: Yes
Front Maximum Height: 4.300 in.
Fuel System Type: Carbureted
Gasket Or Seal Included: No
Grade Type: Performance
Intake Port Shape: Oval
Material: Aluminum
Rear Maximum Height: 5.400 in.
Single Or Dual Plane Type: Dual Plane