Sonnax 5L40-E 5L50-E Transmission Boost Valve Kit 55209-04K Featured Products Fits all 01M 1995-on

Fits all 01M 1995-on

Manufacturer Part Number: 04-263

A4LD (Late) Friction Clutch Pack

Manufacturer Part Number: 350-0067

SKU: 6R80-VBR-WT

Sonnax 5L40-E 5L50-E Transmission Boost Valve Kit 55209-04K Featured Products Fits all 01M 1995-onManufacturer Part Number: 55209 04K Brand: Sonnax Fitment Type: Performance Custom 5L40 E, 5L50 E Boost Valve Kit Part No. 55209 04K OE ratio with . 474" & . 441" dia. valve spools. Vehicles with GM 5L40 E and 5L50 E transmissions are prone to poor line rise or high Reverse pressure problems causing poor shift quality and clutch failure due to leakage at the boost valve assembly. Sonnax offers two boost valve kits: the 55209 01K performance ratio