4758-2 Checking Springs Low Tension Set-up Springs Flow Testers Engine Clearances 2PCS Product Feature: * A Must Have Tool: Checking springs are essential for any engine project. Whether you're checking piston to valve clearance, rocker ratio, valve lift, degreeing a cam or measuring for pushrod length, checking springs are a necessity. * Function: Even spacing, highlight curve, stable force, high plasticity, full elasticity. Checking Springs are low tension and can be installed by hand in place of the valve springs. They simplify measuring piston-to-valve clearance and rocker ratio. * Size: 3.02 inches Long, 0.725 inches ID, 0.84 inches OD. .
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