PAC Racing Springs 1.475 Steel Chromoly 10 Degree Valve Spring Retainers — Dual Spring

SKU: DHDL_PAC-R315-16
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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.

Heavy-Duty Retainers for Dual Spring Setups

When your engine build requires the added support of dual valve springs, the PAC Racing Springs 1.475 Steel 10-Degree Valve Spring Retainers provide the necessary strength and precision. These 300 Series retainers are specifically designed to accommodate dual spring configurations, ensuring that both inner and outer springs are seated perfectly for consistent performance.

Technical Specifications

  • Material: 300 Series Chromoly Steel
  • Lock Angle: 10-Degree
  • Spring Configuration: Dual Spring
  • Step Diameters: 1.110 inch / 0.710 inch OD steps
  • Set Size: 16 retainers

The 10-degree lock angle provides superior clamping force, which is critical when dealing with the higher spring pressures associated with dual spring setups. Machined from high-strength chromoly, these retainers are built to withstand the intense heat and mechanical stress found in high-horsepower racing engines. By maintaining precise spring alignment, these retainers prevent valve float and ensure that your engine can safely reach its intended RPM limit. The dual-step design allows for a secure fitment that prevents the springs from shifting, even under extreme vibration. If you are building a high-performance engine that demands the best in valvetrain stability, these PAC Racing retainers are an essential upgrade. Experience the difference in quality and performance by choosing components from 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.

Heavy-Duty Retainers for Dual Spring Setups

When your engine build requires the added support of dual valve springs, the PAC Racing Springs 1.475 Steel 10-Degree Valve Spring Retainers provide the necessary strength and precision. These 300 Series retainers are specifically designed to accommodate dual spring configurations, ensuring that both inner and outer springs are seated perfectly for consistent performance.

Technical Specifications

  • Material: 300 Series Chromoly Steel
  • Lock Angle: 10-Degree
  • Spring Configuration: Dual Spring
  • Step Diameters: 1.110 inch / 0.710 inch OD steps
  • Set Size: 16 retainers

The 10-degree lock angle provides superior clamping force, which is critical when dealing with the higher spring pressures associated with dual spring setups. Machined from high-strength chromoly, these retainers are built to withstand the intense heat and mechanical stress found in high-horsepower racing engines. By maintaining precise spring alignment, these retainers prevent valve float and ensure that your engine can safely reach its intended RPM limit. The dual-step design allows for a secure fitment that prevents the springs from shifting, even under extreme vibration. If you are building a high-performance engine that demands the best in valvetrain stability, these PAC Racing retainers are an essential upgrade. Experience the difference in quality and performance by choosing components from 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.

Heavy-Duty Retainers for Dual Spring Setups

When your engine build requires the added support of dual valve springs, the PAC Racing Springs 1.475 Steel 10-Degree Valve Spring Retainers provide the necessary strength and precision. These 300 Series retainers are specifically designed to accommodate dual spring configurations, ensuring that both inner and outer springs are seated perfectly for consistent performance.

Technical Specifications

  • Material: 300 Series Chromoly Steel
  • Lock Angle: 10-Degree
  • Spring Configuration: Dual Spring
  • Step Diameters: 1.110 inch / 0.710 inch OD steps
  • Set Size: 16 retainers

The 10-degree lock angle provides superior clamping force, which is critical when dealing with the higher spring pressures associated with dual spring setups. Machined from high-strength chromoly, these retainers are built to withstand the intense heat and mechanical stress found in high-horsepower racing engines. By maintaining precise spring alignment, these retainers prevent valve float and ensure that your engine can safely reach its intended RPM limit. The dual-step design allows for a secure fitment that prevents the springs from shifting, even under extreme vibration. If you are building a high-performance engine that demands the best in valvetrain stability, these PAC Racing retainers are an essential upgrade. Experience the difference in quality and performance by choosing components from GGCRACING.

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