GM LS Cathedral Port V Series Billet Aluminum Hi-Rise Intake Manifold
Features Fits GM Gen III cathedral port LS engines Single-plane design supports high RPM power T-6061 billet aluminum construction Includes custom V Series fuel rails Description 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. Specs 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 Natural 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 Natural 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 Engine Fitment 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 FAQ What engines is this intake manifold designed for? This intake manifold is designed for GM Gen III cathedral port LS engines, including 4.8L, 5.3L, 5.7L, and 6.0L applications. Will this intake manifold fit a 5.3 LS engine? Yes. This intake manifold is compatible with supported 5.3L GM Gen III cathedral port LS engine combinations. Will this intake manifold fit a 6.0 LS engine? Yes. This intake manifold is compatible with supported 6.0L GM Gen III cathedral port LS engine combinations. What is the advantage of a mid-rise intake manifold? A mid-rise intake manifold provides increased plenum volume and airflow capacity compared to lower-profile designs, making it well suited for higher-RPM and high-horsepower LS engine combinations. What RPM range is this intake designed for? This intake manifold is designed for performance applications operating from 1,500 to 9,000 RPM. What are the benefits of billet aluminum construction? Billet aluminum provides exceptional strength, durability, precise machining, premium appearance, and long-term serviceability. Does this intake manifold include fuel rails? Yes. Custom V Series fuel rails are included. Is this intake manifold designed for EFI applications? Yes. The manifold is designed for multi-port electronic fuel injection systems. Does this intake support boosted applications? Yes. The airflow capacity and EFI design make it suitable for naturally aspirated, turbocharged, and supercharged LS combinations when properly configured. Will this intake manifold fit rectangle port LS cylinder heads? No. This intake manifold is designed specifically for cathedral port LS cylinder heads and is not compatible with rectangle-port applications.