- Transmission & Drivetrain
- Transmissions
- Automatic Transmissions
- Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission
Get in Gear with a Transmission
Tailored for Your Powertrain
If you're looking to wring all the horsepower from your big block or Gen I small block look no further than Chevrolet Performance's heavy-duty SuperMatic 4L85-E Four-Speed Automatic Transmission. An extension of the TH400, widely considered one of the greatest transmissions ever manufactured, the 4L85-E continues the tradition of harnessing large outputs of power for optimal performance. Advantages of the 4L85-E include an improved valve body, overdrive gear, and advanced electronic controls. The result is a transmission that delivers firm shifts, efficiency, and exceptional drivability with a maximum torque capacity of 685 lb-ft.
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Selecting the right transmission greatly enhances the driving enjoyment and performance feel of your vehicle. Chevrolet Performance has you covered with a range of modern, electronically controlled automatic transmissions that offer great strength to match their powerful crate engines. Each electronically controlled automatic transmission is designed to deliver smooth, consistent, trouble-free performance on the street and stand up to high-power engines, run after run, on the drag strip. SuperMatic Transmissions offer the ultimate in automatic transmission strength and torque capability - and every Chevrolet Performance transmission is backed by a 12-month warranty. Chevrolet Performance transmissions also deliver the fuel economy benefits of a modern, electronically controlled overdrive transmission. So don't worry about taking your resto-mod for that long drive. It will be comfortable and economical!
Chevrolet Performance transmissions come factory fresh, either brand-new or remanufactured to GM standards, and are GM engineered, tested and validated to deliver smooth, dependable performance. Most importantly, you purchase them outright so there's no need to deal with shipping messy cores. Complement them with a transmission controller kit for plug-and-play operation. Conversion kits are also available to enable the use of electronically controlled transmissions in older vehicles.
Differences between 4L80-E and 4L85-E (4L80 Family Transmissions)
The 4L80-E gearsets have four pinion gears, while the 4L85 comes equipped with five pinion gears in each. External fit form and function are identical between the two variants of 4L80-E and 4L85-E transmission assemblies.
Maximum engine torque capacity rating for these units are:
- Production 4L80-E: 440 ft/lbs
- SuperMatic 4L85-E: 685 ft/lbs
Features: - Rated for up to 685 ft/lbs torque
- All new parts, including additional clutch plates
- Improved valve body for firmer shifts
- Bolt-on for Gen I small blocks and all big blocks
- For small block applications, an aftermarket converter is strongly recommended
- Ratios: 1st: 2.48, 2nd: 1.48, 3rd: 1.00, 4th: 0.75
Note: Torque converter NOT included with the transmission. Torque converter is included with kit p/n 809-19300175K2.
4L85-E Automatic Transmission
Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission
4L85-E Automatic Transmission Kits
Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission Kit Includes: SuperMatic 4L85-E Transmission
Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission Kit Includes: SuperMatic 4L85-E Transmission
Transmission Pan
Pan Gasket
Chevrolet Performance Transmission Pan Gasket 4L85-E Automatic Transmisions
What Are Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission Common Pros and Cons?
The Supermatic 4L85-E GM performance transmission is a modern and electronic version of the 3-speed TH-400 heavy-duty transmission, with the addition of an overdrive gear, improved valve body, and improved shift performance. This transmission can handle nearly 700-foot pounds of torque, making it a great candidate for your street or race vehicle build. As this transmission is made with high quality components and assembly, it is a significant investment compared to other options.
Which Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission Are Best?
There is only one Chevrolet 4L85E transmission available. If your project needs additional parts such as the torque converter, installation kit, and electronic controller kit, those are also available in kit form or separately.
How Much Do Chevrolet Performance SuperMatic 4L85-E Four-Speed Automatic Transmission Cost?
The GM 4l85E transmission is available for just over $4500, with kits available that include additional components such as the torque converter, transmission controller, install kit, are available in the range of $6400 to $6950.