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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
SKU: 6R80-VBR-WT
Other Part Number: 07 08 09 10 11 12 13 14 68RFE Truck 2500 3500 4500
17 B (Direct/Reverse)
Manufacturer Part Number: 350-0067
A4LD (Late) Friction Clutch Pack
Sonnax 5L40-E 5L50-E Transmission Boost Valve Kit 55209-04K Featured Products SKU: 6R80-VBR-WTManufacturer 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
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