Joe Gibbs Lubricants GP-1 20W50 Semi-Synthetic Motor Oil — 1 Quart

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About Joe Gibbs Lubricants Joe Gibbs Lubricants engineers high-quality automotive ...Read More

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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 Joe Gibbs Lubricants

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

Watch in action

High-Performance Semi-Synthetic Versatility

The Joe Gibbs Lubricants GP-1 20W50 Semi-Synthetic Motor Oil is designed for high-output engines that demand superior protection. By blending the film strength of conventional oil with the thermal stability of synthetics, this 20W50 formula provides an ideal balance for engines operating under heavy loads or high temperatures. It is the perfect choice for classic muscle cars, street-strip vehicles, and endurance race engines that require consistent oil pressure.

Why Choose GP-1 20W50?

  • Semi-synthetic blend for improved thermal stability
  • High zinc levels for flat tappet camshaft protection
  • Excellent shear resistance under high stress
  • Maintains consistent oil pressure at operating temperatures
  • Ideal for high-compression and high-RPM applications

Performance engines often run hotter and work harder than standard passenger vehicles. The GP-1 20W50 is formulated to resist breakdown, ensuring that your bearings and valvetrain remain protected even during the most demanding driving conditions. This oil is a favorite among engine builders who need a reliable, high-performance lubricant that doesn't sacrifice the benefits of traditional oil chemistry. Whether you are cruising on the weekend or pushing your limits on the track, you can count on this semi-synthetic blend to keep your engine running smoothly. Elevate your engine's performance with quality products from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Joe Gibbs Lubricants

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

Watch in action

High-Performance Semi-Synthetic Versatility

The Joe Gibbs Lubricants GP-1 20W50 Semi-Synthetic Motor Oil is designed for high-output engines that demand superior protection. By blending the film strength of conventional oil with the thermal stability of synthetics, this 20W50 formula provides an ideal balance for engines operating under heavy loads or high temperatures. It is the perfect choice for classic muscle cars, street-strip vehicles, and endurance race engines that require consistent oil pressure.

Why Choose GP-1 20W50?

  • Semi-synthetic blend for improved thermal stability
  • High zinc levels for flat tappet camshaft protection
  • Excellent shear resistance under high stress
  • Maintains consistent oil pressure at operating temperatures
  • Ideal for high-compression and high-RPM applications

Performance engines often run hotter and work harder than standard passenger vehicles. The GP-1 20W50 is formulated to resist breakdown, ensuring that your bearings and valvetrain remain protected even during the most demanding driving conditions. This oil is a favorite among engine builders who need a reliable, high-performance lubricant that doesn't sacrifice the benefits of traditional oil chemistry. Whether you are cruising on the weekend or pushing your limits on the track, you can count on this semi-synthetic blend to keep your engine running smoothly. Elevate your engine's performance with quality products from GGCRACING.

Product Details

Product Description

About Joe Gibbs Lubricants

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

Watch in action

High-Performance Semi-Synthetic Versatility

The Joe Gibbs Lubricants GP-1 20W50 Semi-Synthetic Motor Oil is designed for high-output engines that demand superior protection. By blending the film strength of conventional oil with the thermal stability of synthetics, this 20W50 formula provides an ideal balance for engines operating under heavy loads or high temperatures. It is the perfect choice for classic muscle cars, street-strip vehicles, and endurance race engines that require consistent oil pressure.

Why Choose GP-1 20W50?

  • Semi-synthetic blend for improved thermal stability
  • High zinc levels for flat tappet camshaft protection
  • Excellent shear resistance under high stress
  • Maintains consistent oil pressure at operating temperatures
  • Ideal for high-compression and high-RPM applications

Performance engines often run hotter and work harder than standard passenger vehicles. The GP-1 20W50 is formulated to resist breakdown, ensuring that your bearings and valvetrain remain protected even during the most demanding driving conditions. This oil is a favorite among engine builders who need a reliable, high-performance lubricant that doesn't sacrifice the benefits of traditional oil chemistry. Whether you are cruising on the weekend or pushing your limits on the track, you can count on this semi-synthetic blend to keep your engine running smoothly. Elevate your engine's performance with quality products from GGCRACING.

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