PAC Racing Springs S112 Chromoly Valve Spring Seat Set — 1.450 OD Performance

SKU: DHDL_PAC-S112
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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

Ultimate Valvetrain Security: PAC Racing S112 Seats

The PAC Racing Springs S112 Chromoly Valve Spring Seats are the industry standard for engine builders demanding reliability and precision. This set of 16 seats is engineered to provide a stable, wear-resistant base for your valve springs, effectively eliminating spring base movement and protecting your cylinder head surfaces. With a 0.060-inch thickness, these seats offer superior rigidity compared to stock components, making them ideal for high-lift camshaft profiles and aggressive valve spring pressures.

Key Features and Fitment

  • Quantity: Complete Set of 16
  • Outside Diameter: 1.450 inches
  • Inside Diameter: 0.570 inches
  • Spring ID Compatibility: 0.980 inches
  • Material: Hardened Chromoly Steel
  • Thickness: 0.060 inches

When building a high-performance engine, every detail matters. The S112 seats ensure that your spring pressure remains consistent, preventing the common issue of spring walk that can lead to harmonic imbalance and premature component failure. Their robust construction ensures they remain flat and true even under the intense heat and load of competitive racing. Whether you are building a street strip machine or a dedicated track car, these seats provide the peace of mind you need. Find all your essential engine internals and valvetrain upgrades at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Ultimate Valvetrain Security: PAC Racing S112 Seats

The PAC Racing Springs S112 Chromoly Valve Spring Seats are the industry standard for engine builders demanding reliability and precision. This set of 16 seats is engineered to provide a stable, wear-resistant base for your valve springs, effectively eliminating spring base movement and protecting your cylinder head surfaces. With a 0.060-inch thickness, these seats offer superior rigidity compared to stock components, making them ideal for high-lift camshaft profiles and aggressive valve spring pressures.

Key Features and Fitment

  • Quantity: Complete Set of 16
  • Outside Diameter: 1.450 inches
  • Inside Diameter: 0.570 inches
  • Spring ID Compatibility: 0.980 inches
  • Material: Hardened Chromoly Steel
  • Thickness: 0.060 inches

When building a high-performance engine, every detail matters. The S112 seats ensure that your spring pressure remains consistent, preventing the common issue of spring walk that can lead to harmonic imbalance and premature component failure. Their robust construction ensures they remain flat and true even under the intense heat and load of competitive racing. Whether you are building a street strip machine or a dedicated track car, these seats provide the peace of mind you need. Find all your essential engine internals and valvetrain upgrades at GGCRACING.

Product Details

Product Description

Ultimate Valvetrain Security: PAC Racing S112 Seats

The PAC Racing Springs S112 Chromoly Valve Spring Seats are the industry standard for engine builders demanding reliability and precision. This set of 16 seats is engineered to provide a stable, wear-resistant base for your valve springs, effectively eliminating spring base movement and protecting your cylinder head surfaces. With a 0.060-inch thickness, these seats offer superior rigidity compared to stock components, making them ideal for high-lift camshaft profiles and aggressive valve spring pressures.

Key Features and Fitment

  • Quantity: Complete Set of 16
  • Outside Diameter: 1.450 inches
  • Inside Diameter: 0.570 inches
  • Spring ID Compatibility: 0.980 inches
  • Material: Hardened Chromoly Steel
  • Thickness: 0.060 inches

When building a high-performance engine, every detail matters. The S112 seats ensure that your spring pressure remains consistent, preventing the common issue of spring walk that can lead to harmonic imbalance and premature component failure. Their robust construction ensures they remain flat and true even under the intense heat and load of competitive racing. Whether you are building a street strip machine or a dedicated track car, these seats provide the peace of mind you need. Find all your essential engine internals and valvetrain upgrades at GGCRACING.

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