Seller notes

Sonnax Line Pressure Booster Kit 45RFE / 545RFE / 65RFE / 66RFE / 68RFEPart No. RFE-LB1 What's included:Wiring Harness with Connectors Pressure Regulator Spring Fits gas and diesel units.Chrysler RFE transmissions have a unique, full range pressure transducer and real-time adaptive closed-loop pressure control system. Because of this, it is not possible to raise pressure in an RFE the same way you would in other transmissions. The typical method of installing a stronger pressure regulator spring...

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