PAC Racing Springs PAC-T900 Calibration Spring Kit for Valve Spring Testers

The PAC Racing Springs PAC-T900 Calibration Spring Kit is designed to help verify the accuracy and repeatability of PAC valve spring testers. This calibration spring set provides a reliable reference for checking tester performance and supporting consistent spring pressure measurements during engine development, assembly, inspection, and service work. A data sheet is included to help guide proper calibration and provide the reference information needed for dependable testing.
The PAC-T900 kit is suited for professional engine builders, racing teams, machine shops, and performance enthusiasts who require confidence in their valve spring testing equipment. Regular use of a calibration spring helps identify measurement variation and supports accurate evaluation of valve springs before installation or during maintenance. By using a matched calibration reference, technicians can maintain more consistent testing procedures across repeated measurements.
Designed for use with PAC valve spring testers, this kit offers a practical solution for equipment verification without unnecessary complexity. Follow the included data sheet and the tester manufacturer’s recommended calibration procedure for best results. The PAC Racing Springs brand is recognized for performance-focused valvetrain components and testing solutions, making the PAC-T900 a useful addition to a professional spring testing setup.

Features:

• Calibration spring kit for PAC valve spring testers

• Includes a data sheet for calibration reference and setup guidance

• Helps verify tester accuracy and measurement repeatability

• Supports consistent valve spring pressure testing

• Suitable for engine builders, racing teams, machine shops, and performance applications

• Brand: PAC Racing Springs

• Part Number: PAC-T900