Description: Fits GM 4L80E 4L85E Transmission Sonnax Boost Valve Kit 34200-10K Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Common problems in vehicles with a 4L80-E transmission include uncontrollable line rise (upward of 500 psi), high line pressure in reverse, broken direct clutch drums and/or broken cases. These problems can be caused by excessive EPC torque signal pressure. The Sonnax self-regulating reverse boost valve 34200-10K eliminates these problems by limiting EPC pressure.Hardened steel boost valve has an encapsulated relief valve that will allow EPC pressure to exhaust if it exceeds 95-105 psi.Boost valve with over 20% wider spools to provide better durability and increased sealing contact area.Boost valve spools have annular grooves to reduce side loading that causes wear.Closely toleranced sleeve restores the hydraulic integrity between the valve and sleeve.O-rings have been added to the sleeve to provide a positive seal that compensates for pump bore wear.NoteKit includes instructions to retrofit parts dating back to 89.ContentsValveSleeveO-Rings (2) This is an actual picture of the item for sale. This is NOT a generic picture.Please provide a valid United States Postal Service mailing address (Mail) and a United Parcel Service shipping address (UPS Brown Truck) in the note field when you complete your check out.We will ship worldwide! If your country is not listed as a ship to location, please contact us for a United States Postal Service Priority Mail shipping price! *If you don't see what you need here, contact us and we will list it here on eBay. We have hundreds of bearing kits and all kinds of hard parts available. You can reach us by calling toll free 1-866-223-5656 ext 5 and # or messaging us through eBay with any questions you may have.
Price: 89 USD
Location: Redding, California
End Time: 2024-08-13T16:17:00.000Z
Shipping Cost: N/A USD
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Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Manufacturer Part Number: 34200-10K
Brand: Sonnax
Fitment Type: Performance/Custom