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- Michigan Motorsports Stock Replacement 1.550"...
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Item #:
209484647
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 #:
209484647
AUD 209
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In stock
Imported from USA store
QTY:
Order now and get it around Saturday, August 29
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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
Precision Engineering
Crafted to exacting specifications, these valves ensure optimal sealing and airflow, enhancing engine performance while ensuring reliability under high-stress conditions.
Enhanced Compatibility
Designed to fit a wide range of LS cylinder head models, these valves provide versatility for various LS engine builds, making them a go-to solution for enthusiasts and professionals alike.
Durable Construction
Manufactured from high-quality materials for longevity, these valves resist wear and heat, ensuring sustained performance over time, reducing the need for frequent replacements.
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) |
| Brand Name | Michigan Motorsports |
| Model Number | MM-1.550STD |
| Manufacturer | Michigan Motorsports |
| Included Components | 1.550"Stock Replacement LS Exhaust Valve |
| 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) |
| Number of Items | 8 |
Who Should Buy?
-
LS Engine Builders
Ideal for builders looking for reliable replacement valves for their LS engine builds, ensuring optimal performance.
-
Performance Upgrades
Perfect for those upgrading from stock to enhance the exhaust system performance in LS1, LS2, and LS6 engines.
-
Budget Conscious
Great option for enthusiasts needing quality valves without breaking the bank, maintaining performance within a budget.
-
High-Performance Racers
Not suitable for professional racers requiring specialized aftermarket valves for extreme performance and durability.
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 the exhaust valve?
Answer: The exhaust valve is standard 1.550 inch. -
Question:
Are these valves compatible with Gen III and Gen IV LS engines?
Answer: Yes, they are designed for cathedral port LS heads commonly used in those engines. -
Question:
Are these valves built for performance applications?
Answer: Yes, they are suitable for mild performance LS engines and daily-driven vehicles.
MichiganMotorsports Exhaust Valves MM-1.550STD Editorial Review
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Customer Reviews & Ratings
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Pros
- High-quality construction
- Perfect fit for multiple LS heads
- Improves engine performance
- Durable and long-lasting
- Easy installation process
Cons
- Limited color options available.
Platform Trust & Buyer Confidence
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
SM
Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
TD
Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
GC
Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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AUD 209
Order now and get it around Saturday, August 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Engineered for standard 1.550 inch exhaust valve sizing.
- Restores factory valvetrain function for daily-driven and performance LS engines.
- Compatible with LS cathedral port cylinder heads in Gen III and Gen IV.
- Maintains OEM-style dimensions for correct valve seating and combustion efficiency.
- Durably constructed to resist exhaust heat and thermal cycling.
- Suitable for various LS engine platforms in cars, trucks, and performance builds.
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