Upgrade your LS-powered build with the Top Street Performance GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold. Designed for GM Gen III cathedral port LS engines, this premium billet aluminum intake manifold delivers exceptional airflow, modular serviceability, and race-inspired styling for high-performance street, street/strip, drag racing, and LS swap applications.

Fresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to maximize airflow efficiency and support serious horsepower potential. The single-plane mid-rise design provides increased plenum volume and optimized runner geometry to help improve airflow at higher RPM levels while maintaining excellent throttle response throughout the powerband.

Manufactured from precision-machined T-6061 billet aluminum, this LS cathedral port intake manifold delivers exceptional durability, premium appearance, and long-term serviceability. The modular construction allows easier maintenance and future upgrades, while the included custom V Series fuel rails help create a clean, professional engine bay appearance. Designed for electronic fuel injection applications, the manifold incorporates a 102.2mm throttle body opening, EV1 injector provisions, and a Gen IV 3-bar MAP sensor port.

Whether you're building a high-performance 5.3 LS, upgrading a 6.0 LS combination, assembling a turbocharged LS project, or completing a dedicated race-oriented LS swap, this billet aluminum intake manifold delivers the airflow capacity, tuning flexibility, and performance potential demanded by serious LS enthusiasts.

Billet Aluminum Intake Manifold Technology
The Top Street Performance V Series Mid-Rise Intake Manifold is precision machined from premium T-6061 billet aluminum and engineered specifically for GM Gen III cathedral port LS engines. Its modular design allows simplified maintenance and future upgrades while delivering the durability, appearance, and performance expected from a premium LS induction system. The included V Series fuel rail package provides a complete performance-focused solution for EFI LS applications.

High-RPM Performance Benefits
The single-plane mid-rise design is engineered to maximize airflow and support high-performance engine combinations operating from 1,500 to 9,000 RPM. Increased plenum volume and optimized runner design help improve airflow efficiency, making this intake manifold an excellent choice for naturally aspirated, turbocharged, supercharged, and competition-oriented LS builds.

COMPATIBLE WITH
GM Gen III Cathedral Port LS Engines
• 4.8 L / 293 in3
• 5.3 L / 325 in3
• 5.7 L / 346 in3
• 6.0 L / 364 in3

COMMON VEHICLE APPLICATIONS
• Chevrolet Silverado LS builds
• GMC Sierra LS projects
• Chevrolet Camaro LS swaps
• Chevrolet Corvette LS applications
• Chevrolet Tahoe performance builds
• Cadillac CTS-V LS projects

NOTES
• Fits GM Gen III cathedral port LS cylinder heads
• Designed for electronic fuel injection applications
• Single-plane intake manifold design
• Includes custom V Series fuel rails
• Features Gen IV 3-bar MAP sensor provision
• Uses EV1 injector provisions
• Supports 102.2mm throttle body configurations
• Removable top, runners, and throttle body flange simplify maintenance and upgrades
• Verify throttle body, fuel system, injector, and hood clearance before installation
• Not compatible with rectangle port LS cylinder heads

SPECIFICATIONS:
Center Maximum Height: 10.550 in.
Color: Silver
Deck Height: Standard
Front Maximum Height: 10.086 in.
Gasket Or Seal Included: Yes
Grade Type: Performance
Material: Aluminum
Mounting Hole Quantity: 10
Rear Maximum Height: 8.933 in.
Single Or Dual Plane Type: Single Plane
Basic Operating RPM Range: 1,500-9,000 RPM
EGR Port: Yes
Fuel Injection Style: Multi-port Fuel Injection
Fuel Injector Stye Provision: EV1
Fuel Rail Color: Silver
Fuel Rail Finish: Black
Fuel Rail Fitting Thread Diameter: -10 AN
Fuel Rail Material: Aluminum
Fuel Rails Included: Yes
Fuel System Type: Electronic Fuel Injection
Intake Port Shape: Cathedral
Manifold Absolute Pressure Sensor Port Included: Yes
Manifold Absolute Pressure Sensor Port Style: Gen IV 3-bar
Manifold Finish: Black
Mounting Hardware Included: Yes
Plenum Thickness: 8 mm
Removable Runners: Yes
Removable Throttle Body Flange: Yes
Removable Top: Yes
Runner Length: 4.800 in.
Supplemental Boss Quantity: 2
Throttle Body Bore Size: 102.200 mm