Trick Flow® Pro Calibrated Adjustable Pushrod Length Checkers feature gauge length measurements because it is the most accurate method of measuring pushrod length. Here is how they work: Each checker's range length number represents the overall length it can measure through one full inch of extension with the two halves screwed together. A laser-etched alignment line identifies each full rotation position—and grooves every .050 in. on the inner sleeve keep count of the number of rotations made. For example, when a 7.800-8.800 length checker is turned apart by one rotation, the correct length for the new pushrods required would be 7.850 in. (7.800 + .050 = 7.850). The Trick Flow® checkers are made from high-quality steel alloy with a durable black oxide coating for a lifetime worth of pushrod length checks. They're available in versions with ball tips or cup tips, and in ranges from 5.800 in. to 12.800 in.

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