MSD Extreme Output HEI Dust Cover 13014 Aluminum adapter converts existing coil-over

Aluminum adapter converts existing coil-over kit from a 2-1/2" spring to a 5" spring

a sealed ball bearing is used to guide the shaft

Designed to withstand the stresses of a high performance engine

K2500 Pickup

1998-2010 Mazda B4000

MSD Extreme Output HEI Dust Cover 13014 Aluminum adapter converts existing coil-overWith the introduction of our 20 Amp Extreme HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit our HEI Pro Billet Distributor, PN 8365. Features: Allows the use of an external coilWith the introduction of our HEAT HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own Coil