PAC Racing Springs Steel Chromoly Valve Spring Seats 1.550 x .770 x .635 — High Performance Valvetrain

SKU: DHDL_PAC-S104-16
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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.

Professional Grade Valve Spring Seats

Maintain precise valve spring alignment with PAC Racing Springs Steel Chromoly Seats. Engineered for high-performance engines, these seats provide a robust, wear-resistant surface that prevents spring movement and protects your cylinder head. Whether you are racing or street driving, these components ensure your valvetrain operates smoothly and reliably.

Technical Specifications

  • Material: Durable Chromoly Steel
  • Outside Diameter (OD): 1.550 inches
  • Inside Diameter (ID): 0.635 inches
  • Spring ID Fitment: 0.770 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

PAC Racing is synonymous with quality in the racing industry. These spring seats are crafted to provide a stable foundation, effectively distributing the load of high-pressure valve springs. The chromoly construction offers superior strength compared to standard steel, making them an ideal choice for engines with high-lift cams and stiff springs. By minimizing seat wear and preventing spring walk, you can push your engine to higher RPMs with confidence. This set of 16 is designed for easy installation, ensuring your valvetrain geometry remains consistent throughout the life of your engine. Don't let a weak spring seat compromise your performance; upgrade to PAC Racing components today. Find the best selection of valvetrain parts for your build right here 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.

Professional Grade Valve Spring Seats

Maintain precise valve spring alignment with PAC Racing Springs Steel Chromoly Seats. Engineered for high-performance engines, these seats provide a robust, wear-resistant surface that prevents spring movement and protects your cylinder head. Whether you are racing or street driving, these components ensure your valvetrain operates smoothly and reliably.

Technical Specifications

  • Material: Durable Chromoly Steel
  • Outside Diameter (OD): 1.550 inches
  • Inside Diameter (ID): 0.635 inches
  • Spring ID Fitment: 0.770 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

PAC Racing is synonymous with quality in the racing industry. These spring seats are crafted to provide a stable foundation, effectively distributing the load of high-pressure valve springs. The chromoly construction offers superior strength compared to standard steel, making them an ideal choice for engines with high-lift cams and stiff springs. By minimizing seat wear and preventing spring walk, you can push your engine to higher RPMs with confidence. This set of 16 is designed for easy installation, ensuring your valvetrain geometry remains consistent throughout the life of your engine. Don't let a weak spring seat compromise your performance; upgrade to PAC Racing components today. Find the best selection of valvetrain parts for your build right here 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.

Professional Grade Valve Spring Seats

Maintain precise valve spring alignment with PAC Racing Springs Steel Chromoly Seats. Engineered for high-performance engines, these seats provide a robust, wear-resistant surface that prevents spring movement and protects your cylinder head. Whether you are racing or street driving, these components ensure your valvetrain operates smoothly and reliably.

Technical Specifications

  • Material: Durable Chromoly Steel
  • Outside Diameter (OD): 1.550 inches
  • Inside Diameter (ID): 0.635 inches
  • Spring ID Fitment: 0.770 inches
  • Thickness: 0.060 inches
  • Quantity: Set of 16

PAC Racing is synonymous with quality in the racing industry. These spring seats are crafted to provide a stable foundation, effectively distributing the load of high-pressure valve springs. The chromoly construction offers superior strength compared to standard steel, making them an ideal choice for engines with high-lift cams and stiff springs. By minimizing seat wear and preventing spring walk, you can push your engine to higher RPMs with confidence. This set of 16 is designed for easy installation, ensuring your valvetrain geometry remains consistent throughout the life of your engine. Don't let a weak spring seat compromise your performance; upgrade to PAC Racing components today. Find the best selection of valvetrain parts for your build right here at GGCRACING.

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