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Interchange Part Number: 78741DK S78741DK
Positive lube to front planet gears
Sleeves repair 5R55N
Lubricate the bore and piston and then put the piston in the bore
and the additional length stabilizes the piston to prevent piston cocking
Sonnax 104520-07K OVERSIZED Pressure Regulator & Boost Valve Kit Featured Products Interchange Part Number: 78741DK S78741DKBrand: Sonnax Type: Pump Pressure Regulator Valve Kit Interchange Part Number: S45507APK Items Included: OVERSIZED Pressure Regulator Kit Manufacturer Part Number: 104520 07K Universal Fitment: Yes Vintage Part: No Performance Part: Yes 6L45, 6L50, 6L80, 6L90 Transmission Oversized Pressure Regulator & Boost Valve Kit Part No. 104520 07K Tooling Required: VB 06 F 104520 TL7C VB FIX GM 6L45, 6L50, 6L80 and 6L90 units may exhibit multiple line pressure
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