Competition Cams 4758-2 Checking Springs<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Low tension checking springs can be installed by hand in place of valve springs</li><li>Simplify measuring piston-to-valve clearance， rocker ratio， cam degreeing， etc</li><li>Set of two springs is enough for one cylinder</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31-qVQphx6L.jpg" noproxy>