Michigan Motorsports LT Exhaust Valves - Like GM Part #12678746 - Fits 2014+ L86 L87 LT1 LT4 6.2L Gen V Engines - OEM Replacement for Direct Fit - Available as Single Valve or Set of 8 (1)

The GM 12678746 Exhaust Valve is an OEM replacement component designed specifically for 2014+ L86, L87, LT1, and LT4 6.2L Gen V engines. Whether you need a single replacement valve due to wear or damage or require a full set of 8 for an engine rebuild, this exhaust valve ensures optimal sealing, smooth exhaust flow, and peak engine efficiency. A worn or damaged exhaust valve can lead to loss of power, rough idling, poor exhaust scavenging, and increased fuel consumption. This direct-fit GM replacement valve restores proper exhaust flow, allowing your engine to run efficiently and reliably. Designed for high-performance GM engines, these valves offer heat-resistant construction, precise fitment, and long-lasting performance, making them the ideal choice for engine rebuilds, performance enthusiasts, and professional mechanics.

• OEM-Quality Exhaust Valve for Gen V 6.2L Engines – The GM 12678746 exhaust valve is a direct replacement for L86, L87, LT1, and LT4 engines, ensuring factory-level performance and durability.
• Available as Single Valve or Set of 8 – Choose between a single replacement valve for targeted repairs or a complete set of 8 for full cylinder head rebuilds and performance upgrades.
• Restores Engine Efficiency & Power – Replacing worn exhaust valves improves combustion efficiency, exhaust flow, and engine performance, ensuring optimal power delivery and fuel economy.
• Precision-Engineered for Factory Fitment – Manufactured to OEM specifications, these exhaust valves feature proper sealing, heat resistance, and durability, making them ideal for both stock replacements and performance builds.
• Direct Fit with No Modifications Needed – These valves are machined to exact factory dimensions, ensuring perfect compatibility with L86, L87, LT1, and LT4 cylinder heads.