Features SUPERIOR QUALITY Constructed from superior quality heat-treated steel with black powder coating to resist corrosion. This Timing Chain Holding Tool features its sturdy construction, ability to withstand a lot of pressure, wide applicability and long service life INTENDED USE This holding tool retains the timing chain position relative to the crankshaft position. The tool clamps around the timing chain pins on both the intake and exhaust sides of the cylinder head, which makes it easier to service the cam REPLACEMENT Similar to EN-50656. Descriptions .