Upgrade your LS-powered build with the Top Street Performance GM LS Rectangle-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street/strip applications.

Engineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.

Constructed from lightweight polished aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.

Designed to fit Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.

Whether you're upgrading an LS3-powered Camaro SS, Corvette, Pontiac G8 GXP, LY6-powered Silverado HD, GMC Sierra HD, Yukon XL 2500, or building a custom rectangle-port LS project, this polished aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.

Single Plane Intake Manifold Technology
The Top Street Performance LS Rectangle-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking improved airflow and increased engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher engine speeds. Lightweight polished aluminum construction provides durability while maintaining a professional performance appearance.

Performance Benefits
The single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.

COMPATIBLE WITH
CHEVROLET LS RECTANGLE-PORT ENGINES
• 6.0L / 364 in³ (LY6*, L76*)
• 6.2L / 376 in³ (LS3, L92, L99)
* Rectangle-port applications only.

COMMON VEHICLE APPLICATIONS
• Chevrolet Camaro SS
• Chevrolet Corvette (LS3)
• Chevrolet Silverado 2500HD / 3500HD (LY6)
• GMC Sierra 2500HD / 3500HD (LY6)
• Chevrolet Suburban 2500 (LY6)
• GMC Yukon XL 2500 (LY6)
• Pontiac G8 GXP
• Chevrolet SS

NOTES
• Fits Chevrolet LS rectangle-port engines only
• Single-plane intake manifold design
• Designed for electronic fuel injection systems
• Fuel rails included
• Verify injector, throttle body, fuel system, and hood clearance before installation
• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads
• Will not work with LS7

SPECIFICATIONS:
Basic Operating RPM Range: 2,500-7,000 RPM
Carburetor Flange Style: 4150 Square Bore
Carburetor Quantity: 1
Center Maximum Height: 5.417 in.
Color: Polished
Deck Height: Standard
EGR Port: No
Front Maximum Height: 5.417 in.
Fuel Injection Style: Multi-port Fuel Injection
Fuel Injector Stye Provision: EV1
Fuel Rail Color: Black
Fuel Rail Fitting Thread Diameter: -8 AN
Fuel Rail Material: Aluminum
Fuel Rails Included: Yes
Fuel System Type: Electronic Fuel Injection
Gasket Or Seal Included: Yes
Grade Type: Performance
Intake Port Shape: Rectangle
Material: Aluminum
Mounting Hardware Included: Yes
Mounting Hole Quantity: 10
Rear Maximum Height: 5.417 in.
Single Or Dual Plane Type: Single Plane