Description

Our 4L80e and 4L85E transmissions are one of the strongest in the world. We offer several options so you can have one custom built for you particular application. Whether it is Offroad racing, Kings of the Hammer, drag racing or just a custom street rod. We can build it. We also offer Full Manual valve bodies or stand alone transmission controllers to run them.

Our transmissions have withstood the punishment of 850 hp offroad racing trophy trucks and drag racers with 1400 hp.

Our stage 1 4L80E is adequate for the majority of street rods with 550 hp. If you need a stronger unit then you may need our stage 2. This transmission comes is capable of handling that 750 hp engine. Finally we have our stage 3, this is our strongest 4L85E transmission available. We use the 4L85E term from the GM naming convention. Our 4L85E comes with the Same 5 pinion gearsets, (unless upgraded) plus many more updates. It has withstood 1400 hp dragster, endured 850 hp offroad trophy trucks running in the Baja 1000. WE use OEM hard parts in all our 4L85E transmission builds along with the best performance components.

Automatic Transmission, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, 4L80E, 1997-2006, Each. Part Number: TCI-271100 Not Yet Reviewed. 4L80E Transmission Bionic 80 Performance 4L80E Transmission Level 2 and 3 $ 3595.00 Select options; 4L80E Raybestos Red Stage-1 Clutch Module #RCPS-31 1991-1995. Upgrades Available Here $ 150.00 Select options; 700R4 Conversion Kit for Early GM Cars and Trucks in 5 700R4 Levels and Price Points. Starting at $2207.00 $ 2207.00 Select options. Pictured below are just a few of the Updates & Upgrades that go into each 4L80E Transmission. Have Peace Of Mind, knowing that your new 4L80E Transmission has all the Updates developed by General Motors Engineers combined with the Latest Industry Advancements providing Unparalleled OE.

All of our transmissions come with an one year limited warranty (see details) . You can purchase the full electronic version or if you are on a budget choose our manual valve body (no computer needed). The full manual shifted valve body we offer comes at no additional cost on our stage two and three. We also have the best aftermarket 4L80E 4L85E transmission controllers available. Click on our transmssion controller link for more information.

4L80E 4L85E Shift Kits. Products 16 Sort by: Quick View. 4L80E Stock Master Overhaul Kit (1991-1996) Price: $219.00. 4L80E Stock Master Overhaul Kit 1997 - 2004. Quality Reman Transmissions and Transmissions Parts for Ford, Chevy, Dodge, GMC, Jeep, Lincoln, Pontiac Olds and More. Affordable Prices. The 4L80E is a computer controlled transmission and the successor to the TH400. Identification of the 4L80E is pretty easy. If you use the process of elimination, there are only a few transmissions that it can be. The transmission itself has been around since 1991, and the case has changed a bit like the 4L60E/700R4 twins. The 4L80E is essentially a TH400 with an overdrive gear added.

The 4L80E is a computer controlled transmission and the successor to the TH400. Identification of the 4L80E is pretty easy. If you use the process of elimination, there are only a few transmissions that it can be. The transmission itself has been around since 1991, and the case has changed a bit like the 4L60E/700R4 twins.

The 4L80E is essentially a TH400 with an overdrive gear added. The are both legendary for their bulletproof reliability straight from the factory. Their specs are similar, although the 4L80E is a few inches longer, which means you’ll need to get a new driveshaft if you were to swap one for the other. They both have the same forward gear ratios, only the 4L80E gets the overdrive gear of course. That overdrive gear is not as aggressive as the overdrive on the 4L60E. It is a very heavy transmission. In fact, it’s 27 pounds heavier than the 4L60E.

4L80E Transmission Specs

If you were to look at them side by side it would be a no brainer which one is which. The thing is massive. In fact, it is so much larger than a 4L60E, TH350, etc that it will often require a larger tunnel size than your car may allow. That is why it is important to measure your tunnel size if you are going to be doing any sort of swap. If you are looking to swap a 4L80E into a muscle car, this article from Hot Rod is a good read.

4L80E identification- the easy way

4l80e Transmission Identification

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With all GM longitudinal transmissions, it is far and away easiest to identify them by the amount of bolts on the transmission pan. Only the TH350 and TH400 share the same number of bolts. So if you count the bolts and get 17 you can be sure that you have identified the 4L80E transmission. The 6L80E, which is the successor to the 4L80E, has 20 bolts.

If you are looking at a transmission and you don’t even really know where to start, you can look at whether or not it has any sort of computer control to it. At this point you see that it is computer controlled, you’ll find a circular wiring harness connector. You’ve now eliminated all of the classic gm automatic transmissions. That’s going to narrow it down to the 4L60E, the 4L65E (identical to the 4L60E on the outside), the 4L80E itself, and the 6L80E.

Hope this helps.

Here are some articles you may find useful:

4l80e Transmission 4x4

4L60E VS 4L80E Differences -or- 4L80E Transmission Problems