4L60E 4L65E 4L70E High Performance Pressure Regulator Spring Sonnax 77917-10

img{max-width:100%} 4L60E 4L65E 4L70E High Performance Pressure Regulator Spring Sonnax 77917-10 1993 UpThis high-quality, heavy-duty pressure regulator valve spring 77917-10 from Sonnax fits GM 4L60-E, 4L65-E and 4L70-E transmissions. The spring increases line pressure by approximately 13%, improving transmission performance in both standard and high performance applications.Increases line pressure by approximately 13%Produces firmer engagements/upshifts without creating harshness or clunky downshiftsImproves transmission performance in both standard and high performance applicationsParts ship daily from our distribution center.FREE SHIPPING on US OrdersIn a Hurry? This item is available for expedited shippingGOT QUESTIONS on your specific Year/Make/Model? Send us a message on eBay. ¿Habla español? Escríbanos con el año, la marca, y el modelo de su vehículo. If you have any problems with your order, please message us immediately to resolve your issue. We have a technician available to assist you.This item is packaged for Wholesale Distribution WARRANTY requests need to be accompanied with the appropriate codeas diagnosed by a professional transmission shop.Vehicles must be professionally diagnosed for solenoid failure prior to purchase.We cannot guarantee any one item will fix all transmission problems.Solenoid failure is often accompanied by additional failures;for example valve body failures, internal wear or damaged hard parts. Visit our eBay Store: Phoenix Transmission PartsFor all of your Automatic Transmission Part needsCheck out our other items!Be sure to add us to your favorites list!