PAC Racing Springs 1.365 Titanium Valve Spring Retainers — 10 Degree Dual Spring

SKU: DHDL_PAC-R508-16
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About PAC Racing Springs PAC Racing Springs engineers high-quality automotive ...Read More

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Sale price$519.97
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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 PAC Racing Springs

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

High-Strength 1.365 Titanium Retainers

The PAC Racing 1.365 Titanium Valve Spring Retainers are engineered for those who refuse to compromise on engine performance. As part of the 500 Series, these retainers are built to provide superior strength and reduced mass for dual spring valvetrain configurations. The 10-degree lock angle ensures that your valve train remains stable even under the most demanding racing conditions, providing peace of mind during high-RPM operation.

Technical Features

  • Series: 500 Series Titanium.
  • Design: 10-degree lock angle for superior retention.
  • Fitment: Designed for dual spring setups.
  • Dimensions: 1.040 in / 0.715 in OD steps.
  • Quantity: Set of 16.

Reducing valvetrain weight is one of the most effective ways to improve engine response and reliability. These titanium retainers offer the perfect solution by minimizing inertia, which allows your engine to rev faster and cleaner. With their robust construction, these retainers are built to withstand the heat and stress of professional-level racing. Don't let heavy, outdated retainers hold your engine back from its true potential. Equip your build with the best components available and experience the difference in performance. Discover more high-quality engine parts for your next project at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About PAC Racing Springs

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

High-Strength 1.365 Titanium Retainers

The PAC Racing 1.365 Titanium Valve Spring Retainers are engineered for those who refuse to compromise on engine performance. As part of the 500 Series, these retainers are built to provide superior strength and reduced mass for dual spring valvetrain configurations. The 10-degree lock angle ensures that your valve train remains stable even under the most demanding racing conditions, providing peace of mind during high-RPM operation.

Technical Features

  • Series: 500 Series Titanium.
  • Design: 10-degree lock angle for superior retention.
  • Fitment: Designed for dual spring setups.
  • Dimensions: 1.040 in / 0.715 in OD steps.
  • Quantity: Set of 16.

Reducing valvetrain weight is one of the most effective ways to improve engine response and reliability. These titanium retainers offer the perfect solution by minimizing inertia, which allows your engine to rev faster and cleaner. With their robust construction, these retainers are built to withstand the heat and stress of professional-level racing. Don't let heavy, outdated retainers hold your engine back from its true potential. Equip your build with the best components available and experience the difference in performance. Discover more high-quality engine parts for your next project at GGCRACING.

Product Details

Product Description

About PAC Racing Springs

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

High-Strength 1.365 Titanium Retainers

The PAC Racing 1.365 Titanium Valve Spring Retainers are engineered for those who refuse to compromise on engine performance. As part of the 500 Series, these retainers are built to provide superior strength and reduced mass for dual spring valvetrain configurations. The 10-degree lock angle ensures that your valve train remains stable even under the most demanding racing conditions, providing peace of mind during high-RPM operation.

Technical Features

  • Series: 500 Series Titanium.
  • Design: 10-degree lock angle for superior retention.
  • Fitment: Designed for dual spring setups.
  • Dimensions: 1.040 in / 0.715 in OD steps.
  • Quantity: Set of 16.

Reducing valvetrain weight is one of the most effective ways to improve engine response and reliability. These titanium retainers offer the perfect solution by minimizing inertia, which allows your engine to rev faster and cleaner. With their robust construction, these retainers are built to withstand the heat and stress of professional-level racing. Don't let heavy, outdated retainers hold your engine back from its true potential. Equip your build with the best components available and experience the difference in performance. Discover more high-quality engine parts for your next project at GGCRACING.

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