PAC Racing Springs Shim Kit 1.250 Dia. — Fits Various Cylinder Heads

SKU: DHDL_PAC-KS93
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Precision Valvetrain Setup with PAC Shim KitsAchieving the perfect installed ...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

Precision Valvetrain Setup with PAC Shim Kits

Achieving the perfect installed height is critical for any valvetrain build. The PAC Racing 1.250 Diameter Valve Spring Shim Kit provides the precision tools you need to dial in your spring pressures and ensure consistent valve operation. This comprehensive kit includes a variety of shim thicknesses, allowing you to fine-tune your setup for optimal performance and longevity.

Kit Contents and Specifications

  • Shim Type: Valve Spring Shim
  • Outside Diameter: 1.250 in
  • Inside Diameter: 0.570 in
  • Material: High-Strength Steel
  • Included Thicknesses: 0.015, 0.020, 0.030, 0.050 in

Using the correct shims is essential for compensating for machining variances in cylinder heads or when using different valve retainers. These high-quality steel shims are designed to withstand the heat and pressure of the valvetrain environment without deforming or failing. By providing a stable base for your valve springs, these shims help prevent spring movement and ensure that your installed height remains within your engine builder's specifications. Whether you are a professional engine builder or a DIY enthusiast, having a versatile shim kit on hand is a must for any successful valvetrain installation. Ensure your engine is built to spec with professional-grade components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision Valvetrain Setup with PAC Shim Kits

Achieving the perfect installed height is critical for any valvetrain build. The PAC Racing 1.250 Diameter Valve Spring Shim Kit provides the precision tools you need to dial in your spring pressures and ensure consistent valve operation. This comprehensive kit includes a variety of shim thicknesses, allowing you to fine-tune your setup for optimal performance and longevity.

Kit Contents and Specifications

  • Shim Type: Valve Spring Shim
  • Outside Diameter: 1.250 in
  • Inside Diameter: 0.570 in
  • Material: High-Strength Steel
  • Included Thicknesses: 0.015, 0.020, 0.030, 0.050 in

Using the correct shims is essential for compensating for machining variances in cylinder heads or when using different valve retainers. These high-quality steel shims are designed to withstand the heat and pressure of the valvetrain environment without deforming or failing. By providing a stable base for your valve springs, these shims help prevent spring movement and ensure that your installed height remains within your engine builder's specifications. Whether you are a professional engine builder or a DIY enthusiast, having a versatile shim kit on hand is a must for any successful valvetrain installation. Ensure your engine is built to spec with professional-grade components from GGCRACING.

Product Details

Product Description

Precision Valvetrain Setup with PAC Shim Kits

Achieving the perfect installed height is critical for any valvetrain build. The PAC Racing 1.250 Diameter Valve Spring Shim Kit provides the precision tools you need to dial in your spring pressures and ensure consistent valve operation. This comprehensive kit includes a variety of shim thicknesses, allowing you to fine-tune your setup for optimal performance and longevity.

Kit Contents and Specifications

  • Shim Type: Valve Spring Shim
  • Outside Diameter: 1.250 in
  • Inside Diameter: 0.570 in
  • Material: High-Strength Steel
  • Included Thicknesses: 0.015, 0.020, 0.030, 0.050 in

Using the correct shims is essential for compensating for machining variances in cylinder heads or when using different valve retainers. These high-quality steel shims are designed to withstand the heat and pressure of the valvetrain environment without deforming or failing. By providing a stable base for your valve springs, these shims help prevent spring movement and ensure that your installed height remains within your engine builder's specifications. Whether you are a professional engine builder or a DIY enthusiast, having a versatile shim kit on hand is a must for any successful valvetrain installation. Ensure your engine is built to spec with professional-grade components from GGCRACING.

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