Transmission Dimensions

Transmission Fluid Fill Capacities

JEGS 555-603010 GM 4L60E Performance Automatic Transmission

This transmission is designed to fit 1996-1997 2WD GM Vehicles with a Small Block Chevy LT1 Engine and ECU control unit. It incorporates the bell-housing bolt pattern to fit Small Block Chevy/Big Block Chevy & 4.3L V6 engines and can be used in these applications. It requires an ECU control unit to operate correctly. (Will Not fit LS Applications. For LS Series Engines use transmissions 555-603020 or 555-603025). This transmission is not designed as a replacement for Corvettes.

This transmission can also be used in an older vehicle when converting to an electronically controlled overdrive transmission. The conversion to older vehicles will require the use of a transmission controller, special cross-members, driveshaft changes, and other modifications (these parts are not included with the transmission).

JEGS 555-603010 GM 4L60E Performance Automatic Transmission Features:

• Handles Up To 450 HP
• Heavy Duty Sunshell
• Heavy Duty 3-4 Clutch Pack
• New Electronics
• Reman Pump with New Rotor Vane Slide and Stator Support
• Shift Kit
• Corvette Servo
• 0.500 Boost Valve
• Total transmission fluid capacity: 11 quarts
• Transmission Fluid Service Capacity: 6 quarts 

JEGS 555-60300 GM 4L60E Performance Transmission IMPORTANT Notes:

• This JEGS Performance Transmission has gone through rigorous testing to provide you with the best possible replacement transmission
• Here are a few tips to ensure a successful installation
• Follow the manufacturer's instructions thoroughly
• Before installation, flush any old fluid from your system, including transmission lines, oil cooler, and torque converter to remove any contaminants that could harm your new transmission
• When installing your torque converter, follow the instructions carefully to ensure proper fitment into the transmission input shaft and also attaching to your engine. Specific tolerances are required so that you do not damage the front pump in the transmission or the converter.
• If you have any problem installing this transmission, before returning it please call the JEGS technical support line. Our experts may be able to assist you with the proper installation.

FAQ

How much HP can a 4L60E take?

• The JEGS 4L60E 603010 transmission can handle up to 450 HP when properly installed using performance driveline components, such as the correct torque converter, yoke, and u-joints.

Will a 1996 4L60E work in a 1997?

• Yes, a 1996 4L60E transmission such as JEGS 603010 will work in a 1997 model, when both models came equipped with a 1996 or 1997 LT1 engine.

How much HP can a Stage 3 4L60E handle?

• Transmission Stages vary by manufacturer. JEGS 603010 4L60E transmission is designed for higher power, capable of handling approximately 450 HP.

What is the difference between early 4L60E and late 4L60E?

• Early 4L60E transmissions differ from later models in valve body design, electronics, and torque converter lockup strategies.