ATS 4R100 Stage 4 Package 1999-2003 Ford 4Wd Valve Cover The dual air filters are

The dual air filters are surrounded by an open-element XLPE (cross-linked polyethylene) polymer housing that minimizes warm engine air for maximum performance

5-2005 LLY Models Require Adapter

but there’s more to it

-MSD CAN communication for easy connectivity to MSDView using a CAN MSD Hub and Power Grid USB or CAN-USB Bridge 89982 product

Heavy-duty 1/4" steel radius arms improve strength

ATS 4R100 Stage 4 Package 1999-2003 Ford 4Wd Valve Cover The dual air filters areThe factory Ford 4R100 suffers from weak points in the converter, clutch pack assemblies, valve body and line pressure limitations. These weaknesses arise when the motor? s power is increased or in towing applications. ATS addressed these concerns by re designing the torque converter, transmission pump, valve body and clutch packs. The result is a solid transmission setup to meet the demands of your Ford Super Duty. The ATS Stage 4 4R100 Features: ATS