Bosch WSR6F Spark Plug premium replacement for small-engine equipment

Fits most chainsaws, trimmers, blowers, and outdoor tools

14 mm thread diameter with 1.25 mm pitch

9.5 mm thread length

Compatible with M14-1.25 spark plug applications

Resistor type design reduces interference and improves ignition stability

Built to Bosch quality standards

Standard electrode gap approx .020″ (0.5 mm)

Recommended torque approx 20 Nm

Compares To:

Champion® RCJ7Y

Bosch® WSR6F

NGK® BPMR7A