MSD Vibration Mounts, for MSD 7 Series Ignition Modules, 4-pack 2007-ford-f-250-super-duty-esi4205920 5 in ID - 12

5 in ID - 12 in Length - 500 lb/in Spring Rate - Steel - Blue Powder Coat - Each

Shock End Bushing - Bayonet - 9/16 in ID - 1-7/8 in OD - 15/16 in Nipple - 13/16 in Thick - Polyurethane - Red - Universal - Set of 4

86 - Steel - Pair

Other features include a large diameter high-flow conical shaped 8-layer cotton gauze air filter

270 in OD - 0

MSD Vibration Mounts, for MSD 7 Series Ignition Modules, 4-pack 2007-ford-f-250-super-duty-esi4205920 5 in ID - 12In many performance applications such as off road, drag race, marine and oval track racing, strong vibration forces can be transmitted through the chassis to the MSD unit. To protect the MSD from excessive vibration, we recommend the use of these vibration mounts. For use with MSD 7 series ignitions.