Mercury Engine Parts & Accessories

Holder belt is coated & impregnanted for more secure grip of flywheel, longer handle provides more leverage with less effort.

Designed for dry and wet cylinder compression testing to detect ring or cylinder head problems, sticking valves, blown head gasket(s) and more, Not for use on diesel engines.

Enclosed 8 Cyl, adjustable spark gap tester. Has heavy-duty wire for mounting in any position. Helps reduce possibility of igniting gas fumes (Wires sold separately)