CDI Electronics 511-9766 Mercury 91-850439T1 Spark Gap Tester Replacement
Replaces Mercury part: 850439 , 850439T, 850439T 1, 91-850439
Tool features:
- Enclosed 8 Cyl., adjustable spark gap tester
- Has heavy-duty wire for mounting in any position
- Helps reduce possibility of igniting gas fumes
- Gap adjusts from 1/8 in, 1/4 in, 3/8 in and 1/2 in
