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GM 8L45/90 Pressure Regulator & Shuttle Valve Kits

Wear at the pressure regulator casting bore and/or shuttle valve sleeve in GM 8L45/90 transmissions can cause multiple issues including high line pressure, harsh shifts, low cooler flow, loss of lube oil and overheating.

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These two new, drop-in Zip Valve kits from Sonnax feature upgraded, highly wear-resistant materials to properly restore hydraulic integrity and provide better sealing and durability for lasting results:

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· Pressure Regulator & Shuttle Valve Kit: P/N 154740-02K

· Shuttle Valve Kit: P/N 154740-09K

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