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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
the pressure drops back down to 80psi
no special tools required
Deep Pan Premium Upgrade Kit
After many requests from the field
Surface Finish: Aluminum Sleeve / Hi-Temp Rubber O'rings
Sonnax 34200-40K Smart-Tech Overrun Clutch Valve Kit For 1997-Up GM 4L80/4L85-E Alto the pressure drops back downSuperseded Part Number: S34741ST, 34200 40K Interchange Part Number: S34741ST, 34200 40K Manufacturer Part Number: S34741ST, 34200 40K Other Part Number: S34741ST, 34200 40K Brand: Sonnax Manufacturer Warranty: Yes Sonnax Smart Tech Overrun Clutch Valve Kit Part No. 34200 40K Fits units '97 later Insufficient holding power in the overdrive roller clutch is the underlying cause of chronic overdrive roller clutch failure in hardworking 4L80 E and 4L85 E
