EVIL ENERGY Dual Plane LS1 LS2 LS6 Carburetor Intake Manifold

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Intake Manifold Product Details

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EVIL ENERGY LS Cathedral Port Dual Plane Intake Manifold Summary

The EVIL ENERGY dual plane LS carburetor intake manifold is built for GM LS1, LS2, and LS6 cathedral port engines that need strong street torque, crisp throttle response, and reliable carburetor performance. Designed for the 2000-4500 RPM range, this LS carburetor intake manifold focuses on the powerband most street cars actually use: launch, cruise, roll-on acceleration, and weekend driving.

Compared with a high-RPM single plane layout, the dual plane design separates the plenum into two intake paths. This helps improve intake velocity at lower and middle engine speeds, reducing cylinder-to-cylinder airflow competition and giving the engine a more immediate response when you open the throttle. For LS swap builders moving toward a simple carbureted setup, this manifold is a practical upgrade for drivability-focused cathedral port combinations.

Vehicle & Engine Fitment

This EVIL ENERGY intake manifold fits GM LS Gen III or Gen IV engines equipped with LS1, LS2, or LS6 style cathedral port cylinder heads. Common LS1 applications include the Chevrolet Corvette C5, Chevrolet Camaro, Pontiac Firebird, early Cadillac CTS-V applications, Holden Monaro / Commodore platforms, and select Chevrolet SSR models. LS2 applications include the Chevrolet Corvette C6, Pontiac GTO, Cadillac CTS-V, Pontiac G8 GT, Holden HSV models, and Chevrolet SSR. LS6 applications include the Chevrolet Corvette C5 Z06, Cadillac CTS-V, and select high-performance SSR applications.

Always verify cylinder head port shape before ordering. This manifold is intended for cathedral port LS1/LS2/LS6 style cylinder heads, not LS3/L92/L99/L76 rectangular port cylinder heads.

Key Features - EVIL ENERGY LS Carburetor Intake Manifold

• Dual Plane Street Torque: The dual plane structure supports strong low-to-mid RPM torque by improving intake velocity and helping each cylinder receive a cleaner air charge during street driving.
• 2000-4500 RPM Powerband: Tuned for responsive throttle feel, cruising, and roll-on acceleration rather than narrow high-RPM-only performance.
• Carburetor-Ready LS Conversion: Built for carbureted LS applications, making it a strong choice for builders who want a simpler mechanical fuel delivery layout.
• Cast Aluminum Construction: The cast aluminum body provides a durable intake platform while reducing weight compared with many factory-style cast iron components.
• Satin Silver Finish: The silver satin surface gives the engine bay a clean performance look while matching classic street and swap builds.

Package Contents & Unboxing Checklist

Why Choose This Dual Plane LS Intake Manifold?

This manifold is best for builders who care about usable power, not just peak dyno numbers. On a street-driven LS engine, throttle response, idle quality, vacuum signal, and mid-range torque matter every time the car leaves a stoplight or rolls into the throttle on the highway. The EVIL ENERGY dual plane LS intake manifold is designed for exactly that kind of real-world performance.

If your project is a Corvette, Camaro, Firebird, GTO, CTS-V, Holden, or LS-swapped classic using cathedral port heads, this dual plane LS carburetor intake manifold gives you a balanced intake solution for cruising, street performance, and occasional track use.