Performance Engineering & Manufacturing Set 18A Premium Quick Change Gears — 10 Spline Steel Gear Set

SKU: GSDD_65018A
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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

Professional Grade Quick Change Gear Sets

The Performance Engineering & Manufacturing (PEM) Set 18A is engineered for racers who require precise ratio adjustments to gain a competitive edge. Built with premium-grade steel and a 10-spline design, these gears provide the structural integrity required for high-stress racing applications. Whether you are fine-tuning for specific track conditions or looking to improve your acceleration out of the corners, the Set 18A offers the reliability and precision you need.

Key Features & Ratios

  • Set Number: 18A
  • Spline Count: 10 Spline
  • Material: Hardened Racing Steel
  • 4.11 Ratio Output: 5.23 / 3.23
  • 4.86 Ratio Output: 6.18 / 3.82

Engineered for maximum efficiency, these gears minimize parasitic power loss, ensuring more horsepower reaches the wheels. The hardened steel construction resists tooth deformation and premature wear, even under extreme heat and heavy load conditions. PEM is a trusted name in the racing industry, and this gear set reflects their commitment to quality and track-proven performance. By integrating these components into your quick-change differential, you ensure consistent performance and longevity throughout the race season. Upgrade your drivetrain today with high-quality parts available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Professional Grade Quick Change Gear Sets

The Performance Engineering & Manufacturing (PEM) Set 18A is engineered for racers who require precise ratio adjustments to gain a competitive edge. Built with premium-grade steel and a 10-spline design, these gears provide the structural integrity required for high-stress racing applications. Whether you are fine-tuning for specific track conditions or looking to improve your acceleration out of the corners, the Set 18A offers the reliability and precision you need.

Key Features & Ratios

  • Set Number: 18A
  • Spline Count: 10 Spline
  • Material: Hardened Racing Steel
  • 4.11 Ratio Output: 5.23 / 3.23
  • 4.86 Ratio Output: 6.18 / 3.82

Engineered for maximum efficiency, these gears minimize parasitic power loss, ensuring more horsepower reaches the wheels. The hardened steel construction resists tooth deformation and premature wear, even under extreme heat and heavy load conditions. PEM is a trusted name in the racing industry, and this gear set reflects their commitment to quality and track-proven performance. By integrating these components into your quick-change differential, you ensure consistent performance and longevity throughout the race season. Upgrade your drivetrain today with high-quality parts available at GGCRACING.

Product Details

Product Description

Professional Grade Quick Change Gear Sets

The Performance Engineering & Manufacturing (PEM) Set 18A is engineered for racers who require precise ratio adjustments to gain a competitive edge. Built with premium-grade steel and a 10-spline design, these gears provide the structural integrity required for high-stress racing applications. Whether you are fine-tuning for specific track conditions or looking to improve your acceleration out of the corners, the Set 18A offers the reliability and precision you need.

Key Features & Ratios

  • Set Number: 18A
  • Spline Count: 10 Spline
  • Material: Hardened Racing Steel
  • 4.11 Ratio Output: 5.23 / 3.23
  • 4.86 Ratio Output: 6.18 / 3.82

Engineered for maximum efficiency, these gears minimize parasitic power loss, ensuring more horsepower reaches the wheels. The hardened steel construction resists tooth deformation and premature wear, even under extreme heat and heavy load conditions. PEM is a trusted name in the racing industry, and this gear set reflects their commitment to quality and track-proven performance. By integrating these components into your quick-change differential, you ensure consistent performance and longevity throughout the race season. Upgrade your drivetrain today with high-quality parts available at GGCRACING.

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