NGK Spark Plug - ZFR5F (10 Per Box) ronstan utility block series 50 60 - single universal head has a thermal overload breaker

has a thermal overload breaker to protect the motor and is suitable for salt or fresh water

- Backed by a full 1-year warranty

Swivel cleat bases permit easy cleating and releasing from any angle

- Compact design perfect for any workspace

- Easily monitor your rudder angle with the Rudder Angle Sensor

NGK Spark Plug - ZFR5F (10 Per Box) ronstan utility block series 50 60 - single universal head has a thermal overload breakerNGK Spark Plug ZFR5F (10 Per Box). NGK have over 80 years of experience in spark plug manufacturing and they are the world leaders in spark plug technology. They have an extensive range of spark plugs, each with their own unique characteristics specifically engineered to its vehicle application and they are designed to suit a broad range of vehicles on Australian roads. With their dedication to quality, outstanding reliability and state of the art