This equipment is used to repair Bosch high-pressure common rail injector valve kit and the taper-shape which touch the steel ball, taper wearing is the reason of much fuel return and the less rail pressure.

For to match different type valve kit,this equipment has four different blade grinding heads,which are made of alloy steel,very strong.

1).We guarantee all of our products enjoy the free return policy in 2 monthes after receiving the goods,if the goods have quality problem.

2).In 12 monthes ,if some parts are broken,not purposely,we can send you the same part without any charge,but the shipping cost is yours.