Proform 67445 Tapered Piston Ring Compressor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Piston Ring Compressor</li><li>4.030 in Bore</li><li>Tapered</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41vWAOTsLtL.jpg" noproxy>