Product Description
Gen V LT Exhaust Manifold/Header Gaskets (Pair) - Replaces 12657093
Fits 2014+ LT1 LT4 L82 L83 L84 L86 L87 L8T 5.3L 6.2L 6.6L
Includes 12 New Exhaust/Header Flange Bolts
Michigan Motorsports' Multi-Layer Steel Exhaust Manifold Gaskets are the ultimate solution for sealing your LT engine's exhaust system. Built for high performance and long-term durability, these gaskets are a smart upgrade for any LT enthusiast—whether you’re restoring a stock setup or building a high-horsepower machine. Designed to meet OEM specifications, they provide a perfect fit and dependable seal for both factory and aftermarket applications.
Key Features:
- OEM-Quality replacements for GM #12657093
- Includes 2 multi-layer steel (MLS) exhaust gaskets for a complete pair
- Includes 12 Flanged Grade 10.9 M8 x 12.5 x 25mm Bolts
- Provides a superior seal for both factory manifolds and aftermarket headers
- Designed to handle high heat and pressure in Gen V LT applications
- Direct-fit design ensures hassle-free installation and factory reliability
Applications (Gasoline V8 Models Only):
- CADILLAC CT5 2022-2026
- CADILLAC CTS 2016-2019
- CADILLAC ESCALADE 2015-2025
- CHEVROLET CAMARO 2016-2024
- CHEVROLET CORVETTE 2014-2019
- CHEVROLET EXPRESS 2500 2021-2025
- CHEVROLET EXPRESS 3500 2021-2025
- CHEVROLET EXPRESS 4500 2021-2025
- CHEVROLET LCF 2020-2026
- CHEVROLET SILVERADO 1500 2014-2025
- CHEVROLET SILVERADO 2500 2020-2025
- CHEVROLET SILVERADO 3500 2020-2025
- CHEVROLET SUBURBAN 2015-2025
- CHEVROLET TAHOE 2015-2025
- GMC SAVANA 2500 2021-2025
- GMC SAVANA 3500 2021-2025
- GMC SAVANA 4500 2021-2025
- GMC SIERRA 1500 2014-2025
- GMC SIERRA 2500 2020-2025
- GMC SIERRA 3500 2020-2025
- GMC YUKON 2015-2025