Michigan Motorsports LS3 Intake Manifold | Like GM #12686561 | Fits 6.0L 6.2L LS3 L76 L92 LY6 L99 Rectangle Port Engines | Camaro Corvette G8 SS | OEM Intake

Upgrade airflow and performance with the Michigan Motorsports LS3 intake manifold designed like GM #12686561. This intake is built for rectangle port LS cylinder heads and fits LS3 L76 L92 LY6 and L99 engines in 6.0L and 6.2L configurations. Commonly used in Camaro Corvette Pontiac G8 and Chevrolet SS applications it is also a popular upgrade for LS swaps when converting truck engines to car style intake setups. Designed to improve airflow and performance this intake manifold includes factory style runner and front seals for proper installation and sealing.

• LS3 Rectangle Port Intake Manifold – The GM #12686561 intake manifold delivers improved airflow and performance for LS3 style rectangle port cylinder heads.
• Fits LS3 and Rectangle Port LS Engines – Compatible with LS3 L76 L92 LY6 and L99 6.0L and 6.2L engines used in Camaro Corvette Pontiac G8 and Chevrolet SS applications.
• Improved Airflow for Performance Builds – Designed to increase airflow compared to truck style intakes making it ideal for LS swaps and performance upgrades.
• Includes Factory Style Seals – Comes with runner and front opening seals required for proper installation and intake sealing.
• Ideal for LS Swaps and Engine Upgrades – Popular upgrade when converting rectangle port truck engines into car applications or performance builds.