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- Michigan Motorsports Stock Replacement 1.550"...
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Item #:
209880808
Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves -Fits Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9
Item #:
209880808
€ 117
Price Details
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Imported from USA store
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Order now and get it around Tuesday, August 18
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Built for reliability and long service life, these exhaust valves are a dependable solution for maintaining proper engine performance across a wide range of LS applications.
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What Stands Out
Perfect Fit
Designed specifically for LS1, LS2, LS6, and various cathedral port heads, ensuring seamless installation and optimal performance for a wide range of applications.
High Durability
Manufactured from premium materials, these valves provide excellent wear resistance and longevity, reducing the need for frequent replacements and enhancing engine reliability.
Performance Boost
Engineered to enhance airflow, these exhaust valves improve engine efficiency and performance, resulting in increased horsepower and torque output for an exhilarating driving experience.
Product Details
| Exterior Finish | Machined |
| Inlet Connection Type | Threaded |
| Outlet Connection Type | NPT |
| Number of Ports | 4 |
| Thread Size | 1.55 inches (3.9 cm) |
| Valve Type | Globe Valve |
| Item Dimensions | 1 x 1 x 1 inches (2.5 x 2.5 x 2.5 cm) |
| Inlet Connection Size | 1.55 Inches (3.9 cm) |
| Outlet Connection Size | 1.55 Inches (3.9 cm) |
| Size | 1.550 inches (3.9 cm) |
| Material Type | Metal |
| Brand Name | Michigan Motorsports |
| Model Number | MM-1.550STD |
| Unit Count | 8.0 Count |
| Manufacturer | Michigan Motorsports |
| Included Components | 1.550"Stock Replacement LS Exhaust Valve |
| Number of Pieces | 8 |
| Material | Metal |
| Brand | Michigan Motorsports |
| Item dimensions L x W x H | 1 x 1 x 1 inches (2.5 x 2.5 x 2.5 cm) |
Who Should Buy?
-
Performance Enthusiasts
Ideal for car enthusiasts looking to upgrade their LS engines for improved performance and efficiency.
-
Engine Builders
Suitable for mechanics and builders needing reliable, high-quality replacement valves for LS cathedral port heads.
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Budget-conscious Users
Provides an affordable solution for those wanting durable exhaust valves without breaking the bank.
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High-Performance Racers
Not suitable for racers needing specialized valves for extreme performance applications or racing conditions.
Product Description
Michigan Motorsports Stock Replacement 1.550" LS Exhaust Valves -Fits Cathedral Port 243 799 706 862 317 241 853 806 Heads LS1 LS2 LS6 LQ4 LQ9 LC9 LMG LM7 (8)
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the size of these exhaust valves?
Answer: These exhaust valves are standard 1.550 inches in size. -
Question:
Are these valves compatible with all LS engines?
Answer: They are designed for cathedral port LS cylinder heads, specifically for Gen III and Gen IV LS engines. -
Question:
Can these valves be used for performance builds?
Answer: Yes, they are suitable for daily-driven, work, and mild performance LS engines.
Michigan Motorsports Exhaust Valves MM-1.550STD Editorial Review
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Pros
- High-quality material
- Perfect fit for several heads
- Enhances engine performance
- Durable and long-lasting
- Easy installation
Cons
- Limited color options
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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23-Jul-26 · via Trustpilot
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22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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€ 117
Order now and get it around Tuesday, August 18
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Features & Benefits
- Engineered for cathedral port LS cylinder heads with 1.550 inch valve size.
- Restores factory valvetrain function and ensures proper sealing.
- Manufactured to meet OEM specifications for correct valve seating.
- Durable construction withstands exhaust heat and thermal cycling.
- Ideal for head rebuilds, valve replacements, and refresh projects.
- Compatible with a wide range of LS engine platforms for versatile use.
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