4L60E Shift Kit 1993-1996, new and ready to install. Fits the 4L60E. Ships fast from the USA.
The first few years of the 4L60E, the 1993 to 1996 Chevrolet and GMC C/K trucks, Tahoes, Suburbans, S10s, Blazers, Camaros and Corvettes, are now old enough that most of them are on their second or third set of clutches. If yours slides into 2nd, hesitates when you pull it into drive or reverse, or has already cooked a 3-4 clutch pack once, the factory valve body calibration is part of the reason. This listing is an early-design 4L60E shift correction package; the photo shows the Superior Shift Technology Products 4L60E Kit with its color-coded springs, check balls, drill bits and a sealing ring, all bagged for installation.
The 4L60E shifts with two on/off shift solenoids and sets line pressure with a pressure control solenoid, but how firmly each clutch and band actually applies still comes down to valves, springs and orifices in the valve body and accumulators. GM calibrated those for a soft shift, and a soft shift means a long overlap where the clutch is slipping under load. That slip is what heats and glazes the 3-4 clutch and wears the 2-4 band. Superior describes its 4L60E package as covering both regular and heavy-duty use in one kit, helping prevent premature forward sprag wear, and converting the converter clutch to an on/off apply to stop the TCC slip code. That last point matters on early units: GM moved the 4L60E torque converter clutch from simple on/off control to pulse-width modulated control in the mid-1990s, which is one reason early and late 4L60E kits are not the same.
A shift kit corrects calibration; it will not fix a solenoid that is shorted, a worn pump or a clutch pack that is already burnt. Scan for codes first, then check fluid level and condition. Our 4L60E harsh shift guide and 1-2 accumulator and shift feel guide help separate a calibration complaint from a mechanical one. If you are deciding between brands, the TransGo and Superior shift kit comparison explains how the two approaches differ.
This listing is for 1993-1996 4L60E transmissions. Superior sells a separate late kit, the K4L60E-L, for 1998-2005 units, so do not install this early package on a later transmission. 1997 sits between the two designs and needs to be checked by valve body and separator plate rather than by model year alone. Lay your separator plate beside the kit instructions and confirm the plate and checkball locations match before drilling anything, or send us your year and VIN and we will look it up. If your unit is newer, the 1996-2000 shift kit and the rest of the 4L60E parts collection cover the later years, and the TransGo SK 4L60E is a lower-cost option that fits 1993-on units.
The kit can go in with the transmission in the vehicle, but it is best installed during a rebuild so the new calibration is protecting fresh clutches. Drop the pan, unplug the internal harness, remove the valve body and lay every valve and spring out in order on a clean bench. Follow the kit sheet one step at a time; drilling the separator plate to the wrong size or skipping a spring changes shift feel in ways that are hard to undo. Install new valve body and pan gaskets and a new filter. If the 3-4 pack or forward sprag is worn, replace them at the same time with a kit like the 1992-2000 rebuild kit and a new 29-element forward sprag. Refill with Dexron VI and check the level hot.
| Fits | 4L60E 1993-1996 |
| Part type | Shift Kit |
| Condition | New |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
No. This listing is for 1993-1996 units. Superior sells a separate late kit for 1998-2005, and 1997 must be checked by separator plate. Send us your year and VIN if you are unsure.
The package is designed to shorten slip time so shifts are firmer and more consistent. Follow the instructions for regular or heavy-duty use; the heavy-duty steps give a firmer shift than the regular ones.
Valve body work can be done in the vehicle, but most installers fit the kit during a rebuild so new clutches get the benefit from day one.
Not if the clutches or band are already burnt. A kit corrects calibration and helps new parts last. Worn friction material has to be replaced.
Dexron VI ATF. Fill to the mark, then recheck the level hot in park with the engine idling.
