Motion Pro 21mm Pro Spark Plug Socket SIZE_13 Highest grade copper windings

Highest grade copper windings

Keep in mind this ripple voltage is only seen via an Oscilloscope sampling the voltage 1000’s of times a second

Fits in most factory horn locations

Height: 68mm

Motion Pro 21mm Pro Spark Plug Socket SIZE_13 Highest grade copper windings21 mm Pro Plug Socket from Motion Pro. Features: Fits 21 mm and 13 16" spark plugs. Ultra strong tool steel construction. Slim skeleton profile. Use with a 3 8" square drive or 17 mm wrench. Innovative internal plug retention system. Protective black oxide coating. Easy to read laser etched markings. Can be used as an axle holding tool on bikes with 17 mm or 24 mm internal hex axles. Through hole allows use of a screwdriver or holding rod.