Black GM HEI Extreme Output Distributor Cap 2011-cadillac-escalade-esi7449129 The internal arch support is

The internal arch support is not found in many motorsports shoes but greatly increses the comfort when wearing for an extended period

5 in ID - 1

25 in Free Length - 2 in OD - 7000 lb/in Spring Rate - Steel - Copper Powder Coat - Each

Fast Kit Carburetor Rebuild Kit Model Number 4160

Black GM HEI Extreme Output Distributor Cap 2011-cadillac-escalade-esi7449129 The internal arch support isWith 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 83653.