Product Description
Michigan Motorsports 1.590" LS Exhaust Valves | Stock Replacement for LS3 L92 Rectangle Port Heads
Fits 2007+ LS Rectangle Port Heads 821 823 5364 | LS3 L99 L76 L77 L92 LY6 L9H L94 L96 Engines
Refresh your LS valvetrain with Michigan Motorsports 1.590" Stock Replacement LS Exhaust Valves, designed as a direct drop-in solution for 2007+ rectangle port cylinder heads. Built to match OEM specifications, these valves are ideal for restoring performance and reliability in LS3, L92, and other Gen IV LS engines. Whether you're performing a valve job, rebuilding a cylinder head, or maintaining a daily-driven engine, these exhaust valves provide a cost-effective solution without sacrificing fitment or function. Available as a single valve or in sets of 8, they offer flexibility for both partial repairs and complete head rebuilds. For higher horsepower or racing applications, consider upgrading to Michigan Motorsports stainless valve options.
Key Features & Benefits
- Direct OEM Replacement Fit: Designed to match factory 1.590" exhaust valve specifications, ensuring proper fitment and performance in compatible LS engines.
- Perfect for Engine Refreshes: Ideal for rebuilding cylinder heads, performing valve jobs, or replacing worn valves in stock and mild performance LS engines.
- Compatible with Rectangle Port Heads: Specifically designed for cylinder head castings 821, 823, and 5364 commonly found on LS3-based platforms.
- Flexible Purchase Options: Available as a single valve or in sets of 8, allowing you to service individual cylinders or complete cylinder head assemblies.
- Cost-Effective Performance Solution: Provides reliable OEM-style performance at an affordable price point, making it a great option for daily drivers and mild builds.
Key Fitments
- Rectangle Port Cylinder Heads: Casting numbers 821, 823, and 5364.
- Compatible Engine Codes: LS3, L99, L76, L77, L92, LY6, L9H, L94, and L96.
- Application Range: 2007+ GM Gen IV LS engines equipped with rectangle port cylinder heads.
