The OK-Auto 66834 Universal Mini Valve Spring Tester, a reliable and portable tool designed to measure the pressure of valve springs in vehicles. With a wide range of 0-700 psi and 0-50 kg/cm2, this tester provides accurate readings for a variety of applications. The double-scale measuring units ensure easy readability, making it easy to get the information you need in just a glance.

Designed for racers and mechanics alike, this mini valve spring tester is a must-have for any garage or pit crew. By periodically testing the spring rate, you can ensure that your springs are performing at their best, eliminating the risk of a performance drop-off due to worn-out springs. The tester is also an effective way to verify the quality of springs before installation.

With its compact size and durable construction, the OK-Auto 66834 Universal Mini Valve Spring Tester is the perfect addition to any toolbox. Backed by a 1-year warranty, you can trust that this product will provide reliable service for a long time. Order now and take your garage or racing team to the next level with this affordable and efficient tool.