Michigan Motorsports Stainless High-Performance 1.555" Exhaust Valves | Fits 2014+ GM 5.3L L83 L84 L82 L8B Engines | Heavy-Duty Stainless Construction | Machined for Durability Flow & Power (8)
Product details
| Management number | 215592392 | Release Date | 2026/04/12 | List Price | US$56.00 | Model Number | 215592392 | ||
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Upgrade your 2014+ GM 5.3L Gen V engine with Michigan Motorsports Stainless High-Performance 1.555" Exhaust Valves, engineered for exceptional durability, superior flow, and high-temperature reliability. Designed for L83, L84, L82, and L8B cylinder heads, these valves provide a direct-fit performance upgrade over factory components—ideal for both stock rebuilds and high-output street or towing builds. Each valve is crafted from premium stainless steel and CNC-machined to precise tolerances, ensuring consistent exhaust flow and sealing even under extreme operating conditions. Whether naturally aspirated or boosted, these valves resist wear, heat fatigue, and pitting, giving your Gen V 5.3L the durability and consistency required for long-term performance.
- Heavy-Duty Stainless Steel Construction – Built from premium stainless for maximum strength, corrosion resistance, and longevity in high-heat environments.
- Precision 1.555" Diameter Design – Exact fit for 2014+ GM 5.3L L83, L84, L82, and L8B engines to restore or enhance factory-level exhaust flow and sealing efficiency.
- CNC-Machined Accuracy – Perfectly concentric valves ensure improved exhaust scavenging, horsepower retention, and long-term reliability under heavy load.
- Ideal for Performance or Towing Builds – Handles the demands of increased exhaust temperatures in tuned, boosted, or towing applications with ease.
- Michigan Motorsports Proven Quality – Trusted by engine builders nationwide for precision-engineered components that deliver OEM-plus performance and durability.
| Size | 1.555 inches |
|---|---|
| Brand Name | Michigan Motorsports |
| Unit Count | 8.0 Count |
| Valve Type | Exhaust Valve |
| Thread Size | 1.555 inches |
| Thread Type | Standard |
| Manufacturer | Michigan Motorsports |
| Model Number | MM-1.555HP |
| Material Type | Stainless Steel |
| Exterior Finish | Stainless Steel |
| Item Dimensions | 0.31 x 1.56 x 4.92 inches |
| Number of Ports | 8 |
| Number of Pieces | 8 |
| Included Components | Stainless Steel 1.555" Exhaust Valve |
| Inlet Connection Type | Threaded |
| Outlet Connection Size | 1.56 Inches |
| Outlet Connection Type | SAE |
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Exhaust Valves
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