Ford E4OD / 4R100 Transmission Line Pressure Modulator Boost Valve Kit
Line Pressure Modulator Boost Valve and Sleeve .432 piston with customizable .055 feed hole and can be modified up to .093 (racing diesel) don't be fooled with larger ones that break parts due to too large inner piston sizes. Fits all Ford E4OD and 4R100 transmissions and early AX4N transmissions.
Superior Transmission Parts Number: K0119
