This is a Front Main Shaft Repair Sleeve for a Lincoln SA-250 with a Perkins 3.152 or D3.152. Is your welder leaking out of the Front Main Seal and you've already replaced the seal and its still leaking? After years and years of turning your seal wears a ring in your crankshaft pulley and won't seal. Install a SPEEDI SLEEVE and make a new surface for you seal to ride on! Easy to install just pull off your pulley and hammer it on, comes with installer cup & easy instructions.
Call us with any questions 602-850-7399.