PAC Racing Springs T903 Valve Spring Height Micrometer — 1.400 to 1.900 Range

SKU: DHDL_PAC-T903
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Precision Installed Height Measurement: PAC T903Achieving the correct installed height ...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 Installed Height Measurement: PAC T903

Achieving the correct installed height is critical for optimizing your engine's valvetrain performance. The PAC Racing Springs T903 Valve Spring Height Micrometer is designed to provide quick, accurate, and repeatable measurements for your cylinder head assembly. With a versatile range of 1.400 to 1.900 inches, this tool is compatible with a wide variety of high-performance valve springs, making it an indispensable addition to any engine builder's toolkit.

Technical Advantages

  • Measurement Range: 1.400 to 1.900 inches
  • Resolution: 0.050 inches per turn
  • Inside Diameter: 1.200 inches
  • Finish: Durable Orange Anodized
  • Ease of Use: Precision-machined for smooth operation

The T903 micrometer features a clear, easy-to-read scale that allows for precise adjustments to your spring shims and retainers. By ensuring every valve spring is set to the manufacturer's recommended installed height, you maximize the efficiency of your camshaft and prevent coil bind or valve float. The vibrant orange anodized finish not only looks great but also provides a layer of protection against corrosion in the shop environment. When you need reliable, professional-grade tools for your next build, GGCRACING has the equipment you need to succeed.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision Installed Height Measurement: PAC T903

Achieving the correct installed height is critical for optimizing your engine's valvetrain performance. The PAC Racing Springs T903 Valve Spring Height Micrometer is designed to provide quick, accurate, and repeatable measurements for your cylinder head assembly. With a versatile range of 1.400 to 1.900 inches, this tool is compatible with a wide variety of high-performance valve springs, making it an indispensable addition to any engine builder's toolkit.

Technical Advantages

  • Measurement Range: 1.400 to 1.900 inches
  • Resolution: 0.050 inches per turn
  • Inside Diameter: 1.200 inches
  • Finish: Durable Orange Anodized
  • Ease of Use: Precision-machined for smooth operation

The T903 micrometer features a clear, easy-to-read scale that allows for precise adjustments to your spring shims and retainers. By ensuring every valve spring is set to the manufacturer's recommended installed height, you maximize the efficiency of your camshaft and prevent coil bind or valve float. The vibrant orange anodized finish not only looks great but also provides a layer of protection against corrosion in the shop environment. When you need reliable, professional-grade tools for your next build, GGCRACING has the equipment you need to succeed.

Product Details

Product Description

Precision Installed Height Measurement: PAC T903

Achieving the correct installed height is critical for optimizing your engine's valvetrain performance. The PAC Racing Springs T903 Valve Spring Height Micrometer is designed to provide quick, accurate, and repeatable measurements for your cylinder head assembly. With a versatile range of 1.400 to 1.900 inches, this tool is compatible with a wide variety of high-performance valve springs, making it an indispensable addition to any engine builder's toolkit.

Technical Advantages

  • Measurement Range: 1.400 to 1.900 inches
  • Resolution: 0.050 inches per turn
  • Inside Diameter: 1.200 inches
  • Finish: Durable Orange Anodized
  • Ease of Use: Precision-machined for smooth operation

The T903 micrometer features a clear, easy-to-read scale that allows for precise adjustments to your spring shims and retainers. By ensuring every valve spring is set to the manufacturer's recommended installed height, you maximize the efficiency of your camshaft and prevent coil bind or valve float. The vibrant orange anodized finish not only looks great but also provides a layer of protection against corrosion in the shop environment. When you need reliable, professional-grade tools for your next build, GGCRACING has the equipment you need to succeed.

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