Modulated line boost valve kit
High Ratio, .199″ dia. small spool
Vehicles with 4T60 or 4T60-E transmissions often exhibit problems as poor line rise, soft shifts, poor reverse boost, and/or 2nd and 3rd clutch distress. These problems are often caused by worn and leaking boost sleeves.
2nd Clutch distress
3rd Clutch distress
Low line rise
Worn and leaking boost sleeves
This boost valve kit provides more sealing area. Sleeves and valves made from high-quality hardened steel to prevent excessive wear.
GM General Motors