Sonnax K74878 Transmission Valve Kit w/ Spring (Fixes Low Pressure) F4A-EL Featured Products With the industry’s tightest manufacturing

With the industry’s tightest manufacturing specifications for trouble-free installation the GPX is an OE replacement without the OE cost

Direct OEM replacement

(1) Set of ten Forward and Direct Friction Plates (each 0

High Performance - Posi Shift 2 Stage Pac

Corrects/Prevents/Reduces: No or low line pressure boost

Sonnax K74878 Transmission Valve Kit w/ Spring (Fixes Low Pressure) F4A-EL Featured Products With the industry’s tightest manufacturingManufacturer Part Number: K74878 Other Part Number: S38507PK Brand: Sonnax F4A EL, GF4A EL Pump Rebuild Kit Part No. K74878 Includes Discharge Valve & Compression Spring In the F4A EL & GF4A EL transmissions, when pump volume is too low, it causes low line pressure, which results in a 2 3 shift flare. Frequently these problems can be traced back to the pump's inability to flow oil to the pressure regulator. All pump volume flows through the spool