Spark Tester, Stevens – 8-Wire for up to 8-cyl Outboards and Sterndrive

Description

Stevens Spark Checker

Highest quality, versatile open-gap spark checker for 1 to 8 cylinders. Ideally suited for 6 & 8 cyl engines. Is actually two identical four-wire checkers, which are coupled together. Coupling or separating is done quickly with wing nuts. Each half can be used separately on smaller engines.

Checker is furnished with a ground wire & clip (as shown in image). Sliding mechanism adjusts the open-gap which is marked from 1/4″ to 1/2″ as well as in millimeters. Black background for easy visibility is recessed to prevent carbon tracking. Tool is highly resistant to chemical, UV and physical damage.