EPC Solenoid Fooler Plug XD345 XDP Duramax LML Studs are manufactured in an

Studs are manufactured in an ISO/TS 16949 quality control facility to ensure the highest level of quality

Throttle Response

No downtime waiting on the machine shop to mill your old ones

straight forward installation

EPC Solenoid Fooler Plug XD345 XDP Duramax LML Studs are manufactured in anIncrease the durability, line pressure, and performance of the Allison transmission in your 2011 2019 GM 6. 6L Duramax LML and L5P with the XDP EPC Solenoid Fooler Plug XD345. From the factory, the function of the EPC solenoid is to increase line pressure during shifts up to 230 PSI and once the shift is complete, drop the pressure back down to 80 PSI. At 80 PSI your Allison can't hold the added stress of aftermarket upgrades or even towing a heavy