PRW Water Neck Outlet 180 Degree Thermostat Kit — Fits GM LS-Series Engines

SKU: FMJX_5234683
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

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Optimize Your GM LS Cooling Efficiency

Ensure your engine runs at the perfect temperature with the PRW Water Neck and 180-degree Thermostat kit. Designed specifically for GM LS-Series platforms, this high-quality replacement component offers superior flow and reliability compared to stock units. Whether you are performing a routine maintenance swap or building a high-performance street machine, this kit provides the thermal management you need to prevent overheating and maintain consistent performance.

Key Features and Technical Specifications

  • Engineered for GM LS-Series engines
  • Includes pre-installed 180-degree thermostat
  • Durable natural finish aluminum construction
  • Standard 1-1/2 inch ID hose connection
  • Direct-fit replacement for easy installation
  • Corrosion-resistant materials for long-term durability

The PRW water neck housing is precision-machined to ensure a leak-free seal, providing peace of mind during aggressive driving sessions. By maintaining a steady 180-degree operating temperature, you can optimize fuel efficiency and engine longevity. This kit is the ideal solution for enthusiasts looking to replace worn-out factory components with a robust, aftermarket upgrade that stands up to the rigors of high-performance use. Trust your cooling system components to GGCRACING for your next build.

Product Details

Product Description
Part Numbers
Sizing & Fit

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optimize Your GM LS Cooling Efficiency

Ensure your engine runs at the perfect temperature with the PRW Water Neck and 180-degree Thermostat kit. Designed specifically for GM LS-Series platforms, this high-quality replacement component offers superior flow and reliability compared to stock units. Whether you are performing a routine maintenance swap or building a high-performance street machine, this kit provides the thermal management you need to prevent overheating and maintain consistent performance.

Key Features and Technical Specifications

  • Engineered for GM LS-Series engines
  • Includes pre-installed 180-degree thermostat
  • Durable natural finish aluminum construction
  • Standard 1-1/2 inch ID hose connection
  • Direct-fit replacement for easy installation
  • Corrosion-resistant materials for long-term durability

The PRW water neck housing is precision-machined to ensure a leak-free seal, providing peace of mind during aggressive driving sessions. By maintaining a steady 180-degree operating temperature, you can optimize fuel efficiency and engine longevity. This kit is the ideal solution for enthusiasts looking to replace worn-out factory components with a robust, aftermarket upgrade that stands up to the rigors of high-performance use. Trust your cooling system components to GGCRACING for your next build.

Product Details

Product Description

About PRW

PRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Optimize Your GM LS Cooling Efficiency

Ensure your engine runs at the perfect temperature with the PRW Water Neck and 180-degree Thermostat kit. Designed specifically for GM LS-Series platforms, this high-quality replacement component offers superior flow and reliability compared to stock units. Whether you are performing a routine maintenance swap or building a high-performance street machine, this kit provides the thermal management you need to prevent overheating and maintain consistent performance.

Key Features and Technical Specifications

  • Engineered for GM LS-Series engines
  • Includes pre-installed 180-degree thermostat
  • Durable natural finish aluminum construction
  • Standard 1-1/2 inch ID hose connection
  • Direct-fit replacement for easy installation
  • Corrosion-resistant materials for long-term durability

The PRW water neck housing is precision-machined to ensure a leak-free seal, providing peace of mind during aggressive driving sessions. By maintaining a steady 180-degree operating temperature, you can optimize fuel efficiency and engine longevity. This kit is the ideal solution for enthusiasts looking to replace worn-out factory components with a robust, aftermarket upgrade that stands up to the rigors of high-performance use. Trust your cooling system components to GGCRACING for your next build.

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