Ignition Box Rubber Vibration Mount Kit (4 Per Pack) heat-treated to the highest Rockwell

heat-treated to the highest Rockwell hardness available

or larger wheels to clear them

and performance

although slightly taller

and all accessory gaskets--everything for a complete engine rebuild

Ignition Box Rubber Vibration Mount Kit (4 Per Pack) heat-treated to the highest RockwellIn many performance applications, such as off road, drag race, marine, and oval track racing, strong vibration forces can be transmitted through the chassis to your Speedmaster ignition units and coils. These Speedmaster vibration mounts are designed to help protect your ignition box or ignition coil from extreme vibration and the damage associated with it.