Pontiac V8 Dual Plane Aluminum Intake Manifold - Polished

• Dual-plane design improves throttle response

• Broad 1,500-to-6,500 RPM operating range

• Fits Pontiac 326, 350, 389, 400 & 455 engines

• Lightweight polished aluminum construction

Upgrade your Pontiac V8 with the Top Street Performance Dual Plane Intake Manifold. Designed for carbureted Pontiac 326, 350, 389, 400, and 455 engine applications, this polished aluminum intake manifold delivers improved airflow, stronger throttle response, and increased torque throughout the operating range. Whether you're building a GTO, Firebird, Trans Am, LeMans, Catalina, or street-driven Pontiac performance car, this intake manifold is engineered to provide the drivability and performance enthusiasts expect from a modern induction upgrade.

The dual-plane runner design promotes balanced air and fuel distribution while maintaining excellent street manners. By improving airflow efficiency and mixture distribution, the manifold helps deliver responsive acceleration, strong low-end torque, and dependable mid-range performance. This makes it an excellent choice for street performance vehicles, cruisers, restoration projects, and mild street/strip applications.

With a 1,500 to 6,500 RPM operating range, this intake manifold is optimized for the RPM range most street-driven Pontiac engines operate in. The spread-bore carburetor flange supports common Pontiac carburetor configurations while maintaining compatibility with many popular carbureted performance combinations.

Constructed from lightweight 6061-T6 aluminum, the manifold helps reduce weight compared to factory cast iron intake manifolds while improving heat dissipation. The polished finish provides a show-quality appearance, while the low-profile design helps improve hood clearance in many applications.

Whether you're upgrading a Pontiac 400 street machine, building a 455-powered GTO, restoring a Firebird, or improving airflow on a classic Pontiac V8, the TSP Dual Plane Intake Manifold delivers the performance, drivability, and appearance Pontiac enthusiasts demand.

Dual-Plane Performance
The dual-plane runner design helps improve airflow distribution and fuel atomization while delivering strong low-end torque, responsive throttle control, and dependable street performance across the operating range.

Street Performance Design
With a 1,500 to 6,500 RPM operating range, this intake manifold is ideal for muscle cars, cruisers, restoration projects, restomods, and mild street/strip combinations.

Performance Features
Features include a spread-bore carburetor flange, lightweight aluminum construction, and a low-profile design that can help improve hood clearance in many applications.

Lightweight Aluminum Construction
Constructed from heat-dissipating aluminum, the manifold helps reduce weight compared to factory cast iron intakes while providing durability and a polished finish for Pontiac performance builds.

Will this intake manifold fit a Pontiac 400 engine?
Yes. This intake manifold is designed for Pontiac V8 applications including 400 cubic inch engines.

Will this intake manifold fit a Pontiac 455 engine?
Yes. Published fitment includes Pontiac 455 engine applications.

What RPM range is this intake manifold designed for?
The dual-plane design is intended to perform from 1,500 to 5,500 RPM, making it ideal for street performance applications.

What carburetor flange does this intake manifold use?
The manifold uses a spread-bore carburetor flange and is designed for single 4-barrel carburetor applications.

Does this intake manifold have provisions for an factory-style choke
No. This intake manifold does not include provisions for a factory-style choke.

Is this a good upgrade from a factory intake manifold?
Yes. The aluminum dual-plane design helps improve airflow, throttle response, torque, and overall drivability compared to many factory cast iron intake manifolds.