Sierra CDI 511-9766 Spark Tester

CDI-511-9766 Spark Tester

Enclosed 8 Cyl., adjustable spark gap tester. Has heavy-duty wire for mounting in any position. Helps reduce possibility of igniting gas fumes Adjust from 1/8 in, 1/4 in, 3/8 in and 1/2 in. Requires you to use your existing Spark Plug wires

Features:

Spark Tester; *For Extension Wires, See 511-9903

Sealed design reduces possibility of fire

Can be used to test 1-8 cylinders

Replaces:

850439

850439T

850439T 1

91-850439