Nissan Transmission TransLab Upgrade Kit From Superior's TransLab Division Part # STL-RE5 Fits 2004-UP RE5RO1A & RE5RO5A *New TCC System upgrades eliminate lock-up slip and shudders *Corrects soft/long 3rd, 4th & 5th *Regulates/prevents cooler over pressurization & runaway line pressures *Fixes long slide 1-2 shift & addresses 4-5/5-4 shift neutralization *Addresses slips and flairs especially 2-3 shift *Corrects neutral to drive/reverse double bump engagements Parallel dual feed direct clutch upgrades *Helps eliminate REV limiter spiking on modified supercharged engine trucks with quicker fully throttle (WOT) up shifts and increased low clutch holding capacity