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The Performabuilt Performance 4L80E Transmission

This is our strongest transmission offering to date. We start with only late model cores for our performance line and application based core for our heavy duty line (Heavy Hauler). Each of these units features all the latest upgrades and high quality materials for assembly. Below is the breakdown of the builds. Note the differences between the HD and Performance versions. The Heavy Duty line is available in both 2 and 4WD. The Performance and Heavy duty 4L80E.

The unit is disassembled, each part carefully inspected and clearances are measured to meet our specifications not just the maximum clearance allowed by GM.

The case is carefully inspected, cleaned and re-inspected. Then it is coated with a special heat and oil resistant paint making for a very tough finish and a clean look.

Bushings are replaced and sized as needed to performance specifications.

The intermediate clutch sprag consists of an extreme duty 34 element sprag and roller assembly with specially prepared race and spiral ring, to prevent high RPM snap ring release.

The Forward and Direct clutch frictions are replaced with heavy duty performance frictions. The drums are then modified to accept additional frictions and the apply area it self is altered to allow use of the entire piston area for apply in the forward drum. "Dished" cushion plates in these units are replaced with the TH400 style plates for additional reliability. These modifications will also result in a much firmer apply into gear from neutral/park to reverse/drive. But durability is significantly increased.

For the Intermediate, Direct and overdrive clutches we use the Raybestos Stage 1 Performance Frictions. These frictions exceed anything on the market for Performance Street/Strip and Heavy Duty applications and are more than suitable for any application.

The intermediate overrun band is replaced with a heavy duty unit. This is mostly valuable in heavy duty truck applications, since this band is used to hold back when the transmission is manually put into 2nd gear while descending steep grades, etc. It will hold up significantly better to engine braking.

The low sprag is replaced with a heavy duty type and the LOW/REVERSE band is replaced with either a Performance band, or a heavy duty band for our heavy hauler applications.

The Pump is carefully inspected and reconditioned for maximum durability and pressure. Special modifications are made to increase cooling and planetary lubrication.

Our own PerformaBuilt shift kit is installed in the valve body. This kit is custom set to the type of unit purchased. The Heavy Duty setup is for maximum hold with minimal "shift shock", while Performance units are set for a more aggressive race feel, while maintaining a progressive shift that increases in firmness as you add more throttle."

Each unit comes with a PerformaBuilt warranty according to the terms listed on our warranty page.

As with our other units, no core return is required. However, if you wish to return your core to us, we will purchase it and arrange return shipping

If you are replacing a 4L60E or 4L65E with this unit, we are interested in purchasing those cores as well.

Unlike our other units, 4L80E transmissions must be shipped by truck freight. While shipping is still included in the transmission price, you must have access to a loading dock and/or a forklift to receive this unit.

This unit also features many other modifications for performance and durability, which help it achieve its 1000 plus RW horsepower capabilities. This transmission will take whatever you can dish out and we guarantee it! You won't find a better unit anywhere. And, with our customer service and the staying power, that come with a large company, you can count on us to be there when you need us.

The unit, as with all of our units, is warranted from the day you received it. Please visit our Warranty Page. for more details and conditions.

4l80e

4L80E 1989 TO 2008 Transmissions

1 Year Warranty $3375.00

(Note: If you purchase a torque converter from us you will automatically get the XT trans with the 2 year warranty free a $300 value. Just add this trans to your cart by hitting the buy now then hit continue shopping goto the converters link and pick one and add that converter to your cart also then complete the checkout )

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2 Year warranty $3675.00

(USE THIS LINK IF YOU WISH TO BUY THE TRANS WITH THE TWO YEAR WARRANTY BUT DO NOT NEED OR WANT TO PURCHASE YOUR CONVERTER FROM US.)

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If you have any questions feel free to give us a call 1-888-744-6542

Or for online chat: K

The more we know about your needs, the better we can match you with the right transmission.

NOTE: All units are available in either 2wd or 4x4. If you have a special application requiring a special adapter or output shaft, please contact us and we will be happy to provide it and quote a price for your special application.

 

IMPORTANT WARRANTY INFORMATION

Read our complete warranty Here.

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1-888-744-6542
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*Free shipping applies only to orders with a shipping address inside the continental United States- (Excluding Alaska & Hawaii).** Warranty is limited to the statement contained on the warranty page on this site. There are no other warranties express or implied. In the event of limited specific brand availability or in the interest of improving our products PerformaBuilt reserves the right to substitute equivalent or better parts in our rebuilds.

Primary address is: PerformaBuilt Transmissions, 50 Slusser Lane, Sugarloaf PA, 18249. Phone Numbers for primary contact are: 1-888-744-6542 & (570)-578-5686. Primary email address is: info@performabuilt.com. Copyright 2009 PerformaBuilt Transmissions. Do not copy/paste or use any part or portion of this website for any purpose without express written permission from PerformaBuilt Transmissions.

 

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