This contact set is for use with a distributor cap and rotor. For optimum performance, the rubbing block is made of polyimide. It is wear resistant, temperature resistant and has optimum electrical properties. The Bosch range of ignition parts are all subject to Bosch's rigid quality controls. All Bosch ignition components are designed to be identical in fit and performance to the original equipment parts.
Quality tested for reliabilty & performance
The Bosch range of ignition parts are all subject to Bosch's rigid quality controls