1. Motorcycle Cylinder Heads & Valve Covers For Sale
  2. sku: 12863379838086631
  3. GY6 STORE 90099-N

GY6 STORE 90099-N Egr Cylinder Head Valves 150CC 57MM

90099-n Gy6 Store 150cc 57mm Bore Egr Style Cylinder Head With Valves Installed For Motors

( Brand: Gy6 Store ), ( Manufacturer Part Number: 90099-N ), ( Type: Cylinder Head ), ( Manufacturer Warranty: No )

Review GY6 STORE 150cc 57mm Bore Egr Cylinder Head Valves Installed Motors

Introducing the Gy6 90099-N 150cc 57mm EGR Cylinder Head Valves, a premium replacement solution for your two-stroke engine. These valves are specifically designed for engines with Gy6 engine numbers and are engineered to meet OEM specifications for optimal performance and durability.

These valves are constructed from high-quality materials, ensuring that they can withstand the rigors of continuous use in a motorcycle or scooter engine. The intake valves measure 57mm in diameter and have a stem length of 41.5mm, while the exhaust valves have a diameter of 36mm and a stem length of 34mm. The valves feature a hardened valve seat surface for improved sealing and reduced wear.

The Gy6 90099-N 150cc 57mm EGR Cylinder Head Valves are also designed with Emission Control in mind. These valves are suitable for engines equipped with an Exhaust Gas Recirculation (EGR) system, which helps to reduce harmful emissions by recirculating a portion of the engine exhaust back into the combustion chamber.

Installation of these valves is straightforward and can be done by following the steps outlined in your vehicle's service manual. Each valve comes complete with its own valve spring, retainer, and keepers, making it a convenient and cost-effective solution for replacing worn or damaged valves.

In summary, the Gy6 90099-N 150cc 57mm EGR Cylinder Head Valves are a high-quality, OEM-specification replacement solution for your two-stroke engine. With their durable construction, precise dimensions, and Emission Control capabilities, these valves are an excellent choice for maintaining the performance and longevity of your motorcycle or scooter.

Buying Gy6 90099-N 150cc 57mm EGR cylinder head valves can be a consideration for those who own or are working on a 150cc Gy6 engine, particularly those with Exhaust Gas Recirculation (EGR) systems. Here are some potential pros and cons of purchasing these valves:

Pros:

1. Improved Engine Performance: New valves can help improve engine performance by ensuring proper sealing, reducing leaks, and minimizing the flow of exhaust gases back into the engine cylinders.

2. Better Emissions Control: EGR valves play a crucial role in emissions control by recirculating exhaust gases back into the engine to reduce nitrogen oxide (NOx) emissions. New valves can help ensure optimal emissions control.

3. Cost-Effective Solution: Replacing worn-out or malfunctioning EGR valves can be a cost-effective solution compared to other engine repairs or replacements.

4. Longer Engine Life: Properly functioning EGR valves can help extend the life of your engine by minimizing the wear and tear caused by excessive exhaust gas leakage.

Cons:

1. Installation Complexity: Installing new EGR cylinder head valves can be a complex process, particularly for those without mechanical experience. It may require specialized tools and knowledge.

2. Potential for OEM Parts: Using aftermarket parts instead of OEM (Original Equipment Manufacturer) parts may result in compatibility issues, potential for reduced performance, or other unintended consequences.

3. Cost: While the cost of new EGR cylinder head valves may be lower than other engine repairs or replacements, the overall cost can still add up when considering the labor and tool costs for installation.

Conclusion:

Considering the pros and cons, it can be a worthwhile investment to purchase Gy6 90099-N 150cc 57mm EGR cylinder head valves for engines with EGR systems. However, it's essential to weigh the potential benefits against the complexity and cost of installation. Additionally, it's recommended to ensure the aftermarket parts are of good quality and compatible with your specific engine model to avoid any unintended consequences. Ultimately, the decision to purchase these valves depends on the individual's mechanical expertise, engine condition, and budget.

Details:

The cylinder head does not come with a manufacturer warranty. This high-quality replacement part is designed specifically for GY6 motors, ensuring optimal performance and efficiency. It comes with the manufacturer part numbers 90099-N and SP445.

part #: 90099-n prices

  • $22.51-$29.98

specifications cylindermotorcycleiz:

  • brand: Gy6 Store
  • mpn: 90099-n
  • type: Cylinder Head
  • manufacturer warranty: No

returns cylindermotorcycleiz:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

general cylindermotorcycleiz:

  • condition: New
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads

shipping cylindermotorcycleiz:

  • type: Fixed
  • transit: 5-13 Days
  • class: Economy
  • cost: $0.00
  • service: Economy

seller cylindermotorcycleiz:

  • rating: 95.5%
  • # reviews: 152
  • city: Miami, Florida

payments cylindermotorcycleiz:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

offer cylindermotorcycleiz:

  • quantity: 1
  • started: October 30, 2025
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
type: cylinder head, manufacturer warranty: no,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > cylinder heads, sku: 12863379838086631,
Gy6 Store 90099-N Is Similar To:
cylindermotorcycleiz logo
2 offers $22.51–$29.98 USD
  • New. Offer #1 priced at $22.51 + $9.95 shipping estimate = $32.46* total. Total Length: 66mm. WITH 150cc GY6 MOTORS.+$9.95 shipping
  • New. Offer #2 priced at $29.98 + $9.95 shipping estimate = $39.93* total. ROKETA, SUNL, TANK, PEACE, COUGAR, GATOR. 150cc EGR STYLE CYLINDER HEAD WITH VALVES INSTALLED.+$9.95 shipping

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