PAC Racing Springs Steel Chromoly Valve Spring Seats 1.550 x .855 x .635 — High Performance Valvetrain

SKU: DHDL_PAC-S102-16
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About PAC Racing Springs PAC Racing Springs 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 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.

Precision Engineered Valve Spring Seats

Ensure your valvetrain stability with PAC Racing Springs Steel Chromoly Spring Seats. Designed for high-performance engines, these 1.550-inch OD seats provide a solid foundation for your valve springs, preventing lateral movement and protecting your cylinder head from wear. Crafted from high-strength chromoly steel, these seats are built to withstand the extreme pressures of racing environments.

Technical Specifications

  • Material: High-Strength Chromoly Steel
  • Outside Diameter (OD): 1.550 inches
  • Inside Diameter (ID): 0.635 inches
  • Spring ID Fitment: 0.855 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

Why choose PAC Racing? These spring seats are manufactured to tight tolerances, ensuring consistent spring height and improved valvetrain geometry. Whether you are building a street-strip machine or a dedicated track car, these seats offer the reliability needed for high-RPM operation. By utilizing a hardened chromoly construction, they effectively distribute spring load, reducing the risk of spring seat galling or sinking into aluminum heads. This set of 16 is perfect for full engine rebuilds, providing the peace of mind that your valve springs are properly seated and secured throughout the entire RPM range. Upgrade your engine's reliability and performance with premium 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.

Precision Engineered Valve Spring Seats

Ensure your valvetrain stability with PAC Racing Springs Steel Chromoly Spring Seats. Designed for high-performance engines, these 1.550-inch OD seats provide a solid foundation for your valve springs, preventing lateral movement and protecting your cylinder head from wear. Crafted from high-strength chromoly steel, these seats are built to withstand the extreme pressures of racing environments.

Technical Specifications

  • Material: High-Strength Chromoly Steel
  • Outside Diameter (OD): 1.550 inches
  • Inside Diameter (ID): 0.635 inches
  • Spring ID Fitment: 0.855 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

Why choose PAC Racing? These spring seats are manufactured to tight tolerances, ensuring consistent spring height and improved valvetrain geometry. Whether you are building a street-strip machine or a dedicated track car, these seats offer the reliability needed for high-RPM operation. By utilizing a hardened chromoly construction, they effectively distribute spring load, reducing the risk of spring seat galling or sinking into aluminum heads. This set of 16 is perfect for full engine rebuilds, providing the peace of mind that your valve springs are properly seated and secured throughout the entire RPM range. Upgrade your engine's reliability and performance with premium 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.

Precision Engineered Valve Spring Seats

Ensure your valvetrain stability with PAC Racing Springs Steel Chromoly Spring Seats. Designed for high-performance engines, these 1.550-inch OD seats provide a solid foundation for your valve springs, preventing lateral movement and protecting your cylinder head from wear. Crafted from high-strength chromoly steel, these seats are built to withstand the extreme pressures of racing environments.

Technical Specifications

  • Material: High-Strength Chromoly Steel
  • Outside Diameter (OD): 1.550 inches
  • Inside Diameter (ID): 0.635 inches
  • Spring ID Fitment: 0.855 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

Why choose PAC Racing? These spring seats are manufactured to tight tolerances, ensuring consistent spring height and improved valvetrain geometry. Whether you are building a street-strip machine or a dedicated track car, these seats offer the reliability needed for high-RPM operation. By utilizing a hardened chromoly construction, they effectively distribute spring load, reducing the risk of spring seat galling or sinking into aluminum heads. This set of 16 is perfect for full engine rebuilds, providing the peace of mind that your valve springs are properly seated and secured throughout the entire RPM range. Upgrade your engine's reliability and performance with premium components from GGCRACING.

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