4R100, E4OD Performance / Heavy Duty Transmissions & Parts from PATC. Extreme / Heavy Duty, Performance Transmissions and Parts for 4R100 and E4OD at PATC. The E4OD / 4R100 Level 4 transmission comes with a high performance Transgo “TUGGER” Shift-Kit and Sonnax .500″ Power Valve for a better shift. Extra Red Eagle clutches are added to the direct clutch pack for more holding power. The forward clutch has 6 Red Eagle clutches with 50% more clutch apply area. 33% more clutch apply area is added to the Red Eagle intermediate clutch set. One extra Alto Kryptonite clutch is added to overdrive. All of this adds up to as much as 47% more clutch apply area. An updated center support, billet 300M input shaft, overdrive spiral snap ring, stay put filter clip and other updates are installed. The 34 element intermediate sprag is replaced with a 45 element sprag. The level 4 Enforcer comes with front and rear six pinion steel planet gears. Now with a 1995 up type pump and a carbon fiber band. This package deal comes with a high performance / heavy duty triple clutch BILLET converter, Gas or Diesel (#3-B), with your choice of stall speeds up to 2800 RPM on gas models. This Converter is a multi disk design with three friction surfaces. This transmission is good for towing, motor homes, snow plowing, 4WD, high performance and others.