PRW Performance Thermostat 180 Degree — Fits GM LS-Series Engines

SKU: FMJX_5234685
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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.

Watch in action

Maintain Optimal Engine Temperatures

The PRW 180-degree Thermostat is a critical component for any GM LS-Series engine owner looking to maintain stable operating temperatures. By allowing coolant to circulate earlier than the factory-spec thermostat, this unit helps prevent heat soak and keeps your engine running within its optimal thermal window. This is essential for both daily driving and performance applications where consistent cooling is paramount.

Why Choose PRW Thermostats?

  • Specifically calibrated for GM LS-Series engines
  • 180-degree opening temperature for improved cooling
  • High-flow design for maximum coolant circulation
  • Direct replacement for OEM factory thermostats
  • Durable construction for consistent performance
  • Helps prevent engine overheating under load

Installing a 180-degree thermostat is one of the most cost-effective ways to improve your engine's cooling efficiency. Whether you are dealing with a modified LS engine or simply performing a cooling system flush, this PRW thermostat ensures that your coolant flow remains consistent, protecting your engine from the damaging effects of excessive heat. Its robust design ensures it will hold up under various driving conditions, providing the reliability you expect from high-quality aftermarket parts. Find all your essential cooling system upgrades at GGCRACING.

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

Maintain Optimal Engine Temperatures

The PRW 180-degree Thermostat is a critical component for any GM LS-Series engine owner looking to maintain stable operating temperatures. By allowing coolant to circulate earlier than the factory-spec thermostat, this unit helps prevent heat soak and keeps your engine running within its optimal thermal window. This is essential for both daily driving and performance applications where consistent cooling is paramount.

Why Choose PRW Thermostats?

  • Specifically calibrated for GM LS-Series engines
  • 180-degree opening temperature for improved cooling
  • High-flow design for maximum coolant circulation
  • Direct replacement for OEM factory thermostats
  • Durable construction for consistent performance
  • Helps prevent engine overheating under load

Installing a 180-degree thermostat is one of the most cost-effective ways to improve your engine's cooling efficiency. Whether you are dealing with a modified LS engine or simply performing a cooling system flush, this PRW thermostat ensures that your coolant flow remains consistent, protecting your engine from the damaging effects of excessive heat. Its robust design ensures it will hold up under various driving conditions, providing the reliability you expect from high-quality aftermarket parts. Find all your essential cooling system upgrades at GGCRACING.

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

Maintain Optimal Engine Temperatures

The PRW 180-degree Thermostat is a critical component for any GM LS-Series engine owner looking to maintain stable operating temperatures. By allowing coolant to circulate earlier than the factory-spec thermostat, this unit helps prevent heat soak and keeps your engine running within its optimal thermal window. This is essential for both daily driving and performance applications where consistent cooling is paramount.

Why Choose PRW Thermostats?

  • Specifically calibrated for GM LS-Series engines
  • 180-degree opening temperature for improved cooling
  • High-flow design for maximum coolant circulation
  • Direct replacement for OEM factory thermostats
  • Durable construction for consistent performance
  • Helps prevent engine overheating under load

Installing a 180-degree thermostat is one of the most cost-effective ways to improve your engine's cooling efficiency. Whether you are dealing with a modified LS engine or simply performing a cooling system flush, this PRW thermostat ensures that your coolant flow remains consistent, protecting your engine from the damaging effects of excessive heat. Its robust design ensures it will hold up under various driving conditions, providing the reliability you expect from high-quality aftermarket parts. Find all your essential cooling system upgrades at GGCRACING.

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