Accessories

An essential durability upgrade for hard-working ProMaster® and passenger vans.

A recalibrated pressure curve delivers increased clutch and TCC holding capacity with short, clean shifts at all throttle openings. A 26% overall increase in line pressure takes this unit from (stock OEM) 60-135 psi to (TransGo) 75-169 psi.

Corrects/Prevents/Reduces:

• Clutch failure
• TCC slip or shudder
• Overheating
• Drain back
• Delayed or no engagements

Includes:

• Drop-in USA-made hardened steel PR valve and calibration spring
• Drop-in torque converter limit valve system
• USA-made billet 2-4 accumulator, spring and (3) sealing rings, redesigned to provide dual-sealing, closed end and middle ring seals in an unworn portion of the bore
• (5) High temperature accumulator seals and expanders (for aluminum accumulator pistons only)
• Drill jig, drill bit and precision orificed cup plug
• Wider, heavy duty snap ring for 2-4 piston
• Non-shrinking low/reverse piston housing gasket
• Self-expanding underdrive seal and expander wir