CDI Electronics 511-9764 - Inline Neon Spark Tester ronstan ball bearing car - series 42 - headboard The long shank and lever

The long shank and lever action make them easy to use

Closed loop speed feedback is based on signals received from the worldwide GPS satellite system put in place by the US government

All stainless steel manifolds have an anode built in to prevent electrolysis

20mm (3/4") hose barb tail with 3/4" male thread and external sealing cap with retainer

CDI Electronics 511-9764 - Inline Neon Spark Tester ronstan ball bearing car - series 42 - headboard The long shank and leverCDI Inline Neon Spark Tester Part Number: 511 9764 Ideal for personal watercraft. Sealed design is an added safety factor that further reduces the possibility of ignitiing gas fumes, especially in the hull of a PWC. Good for checking spark on running engines. Replaces: 511 9763, 511 9764