PAC Racing Springs Steel Chromoly Valve Spring Seats 1.650 x .630 x .570 — High Performance Valvetrain

SKU: DHDL_PAC-S109-16
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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.

Heavy Duty Valve Spring Seats

Upgrade your engine's valvetrain with PAC Racing Springs Steel Chromoly Spring Seats. Specifically designed for larger spring diameters, these 1.650-inch OD seats offer the strength and precision required for high-performance racing engines. By providing a stable, hardened base, they ensure your valve springs perform consistently under extreme conditions.

Key Specifications

  • Material: High-Strength Chromoly
  • Outside Diameter (OD): 1.650 inches
  • Inside Diameter (ID): 0.570 inches
  • Spring ID Fitment: 0.630 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

When building a high-output engine, every detail matters. These PAC Racing spring seats are engineered to prevent the spring from digging into the cylinder head, which is a common issue in high-load applications. The chromoly steel construction provides excellent resistance to wear and deformation, ensuring that your installed heights remain accurate over time. Whether you are running a drag car or a high-performance street build, these seats provide the reliability needed to push your engine further. The 1.650-inch OD is perfect for specific high-performance spring setups, offering a secure fit that minimizes harmonic vibrations. Invest in the longevity of your valvetrain by choosing high-quality components from PAC Racing. For all your engine component needs, rely on the expert selection available 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.

Heavy Duty Valve Spring Seats

Upgrade your engine's valvetrain with PAC Racing Springs Steel Chromoly Spring Seats. Specifically designed for larger spring diameters, these 1.650-inch OD seats offer the strength and precision required for high-performance racing engines. By providing a stable, hardened base, they ensure your valve springs perform consistently under extreme conditions.

Key Specifications

  • Material: High-Strength Chromoly
  • Outside Diameter (OD): 1.650 inches
  • Inside Diameter (ID): 0.570 inches
  • Spring ID Fitment: 0.630 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

When building a high-output engine, every detail matters. These PAC Racing spring seats are engineered to prevent the spring from digging into the cylinder head, which is a common issue in high-load applications. The chromoly steel construction provides excellent resistance to wear and deformation, ensuring that your installed heights remain accurate over time. Whether you are running a drag car or a high-performance street build, these seats provide the reliability needed to push your engine further. The 1.650-inch OD is perfect for specific high-performance spring setups, offering a secure fit that minimizes harmonic vibrations. Invest in the longevity of your valvetrain by choosing high-quality components from PAC Racing. For all your engine component needs, rely on the expert selection available 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.

Heavy Duty Valve Spring Seats

Upgrade your engine's valvetrain with PAC Racing Springs Steel Chromoly Spring Seats. Specifically designed for larger spring diameters, these 1.650-inch OD seats offer the strength and precision required for high-performance racing engines. By providing a stable, hardened base, they ensure your valve springs perform consistently under extreme conditions.

Key Specifications

  • Material: High-Strength Chromoly
  • Outside Diameter (OD): 1.650 inches
  • Inside Diameter (ID): 0.570 inches
  • Spring ID Fitment: 0.630 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

When building a high-output engine, every detail matters. These PAC Racing spring seats are engineered to prevent the spring from digging into the cylinder head, which is a common issue in high-load applications. The chromoly steel construction provides excellent resistance to wear and deformation, ensuring that your installed heights remain accurate over time. Whether you are running a drag car or a high-performance street build, these seats provide the reliability needed to push your engine further. The 1.650-inch OD is perfect for specific high-performance spring setups, offering a secure fit that minimizes harmonic vibrations. Invest in the longevity of your valvetrain by choosing high-quality components from PAC Racing. For all your engine component needs, rely on the expert selection available at GGCRACING.

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