GM Transmission Parts - 4L80E | 4L85E - Popular Performance Parts

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Sonnax

4L80E 4L85E Externally Adjustable Low/Reverse Servo Kit by Sonnax

MSRP:

Now: $355.00

Currently Out of Stock
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Sonnax

4L80E 4L85E Performance Pack by Sonnax

MSRP:

Now: $385.00

Currently Out of Stock
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Sonnax

4L80E 4L85E TH400 HD Intermediate Clutch Outer Sprag Race | Sonnax

MSRP:

Now: $82.95

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Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

MSRP:

Now: $49.95

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TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

MSRP:

Now: $126.45

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TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

MSRP:

Now: $29.95

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Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax
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Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

MSRP:

Now: $219.95

Currently Out of Stock
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Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub | Sonnax

MSRP:

Now: $134.95

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Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

MSRP:

Now: $54.65

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Sonnax

4L80E TH400 TH425 Extreme Duty Forward Clutch Hub Kit | Sonnax

MSRP:

Now: $158.22

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Steel Plates

4L80E Performance KOLENE® Steel Module (1991-UP)

MSRP:

Now: $159.95

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Sonnax

4L80E 4L85E Externally Adjustable Low/Reverse Servo Kit by Sonnax

4L80E 4L85E Externally Adjustable Low/Reverse Servo Kit by Sonnax Externally Adjustable Low/Reverse Servo KitPart No.

MSRP:

Now: $355.00
Currently Out of Stock
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Sonnax

4L80E 4L85E Performance Pack by Sonnax

4L80E 4L85E Performance Pack by Sonnax Part No. HP-4L80E-01 Sonnax Performance Pack HP-4L80E-01 upgrades GM 4L80-E and 4L85-E transmis

MSRP:

Now: $385.00
Currently Out of Stock
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Sonnax

4L80E 4L85E TH400 HD Intermediate Clutch Outer Sprag Race | Sonnax

4L80E 4L85E TH400 HD Intermediate Clutch Outer Sprag Race by Sonnax Part No. 34663HD-02 Improve GM 4L80-E, 4L85-E and TH400 transmission durability with

MSRP:

Now: $82.95
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Central Valve Bodies

4L80E Manual Valve Gently Oversized to Fit Existing Bore (No Reaming)

This is a Gently Oversized Manual Valve for the 4L80E transmission that can be installed in the existing bore without reaming. Its is made from Anodized Aluminium for durability.

MSRP:

Now: $49.95
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TransGo

4L80E 4L85E Vacuum Modulator Kit (1991-2013) TransGo

Vacuum Modulator KitFits 1991-13 4L80E, 4L85EDoes not fit diesel Great for transplants! Provides a more aggressive and tunable pressure boost curve with engine vacuum instead of vehicle PCM...

MSRP:

Now: $126.45
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TransGo

4L80E Separator Plate - HD Upgrade (1991-2013) TransGo

Separator PlateFits 1991-13 4L80E, 4L85E 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission with high mileage often have worn or damaged valve body...

MSRP:

Now: $29.95
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Sonnax

4L80E 4th Accumulator Repair Kit - Sonnax

4L80-E, 4L85-E 4th Accumulator Repair KitPart No. 34805-01K Repeated reciprocation of the 4th accumulator pistons in GM 4L80-E and 4L85-E units causes wear at the piston/pin interface. After this...

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Sonnax

4L80E Overrun Clutch Valve Kit (1997-UP) Sonnax Smart-Tech®

4L80-E, 4L85-E Smart-Tech® Overrun Clutch Valve KitPart No. 34200-40K Fits 1997-UP Units Insufficient holding power in the

MSRP:

Now: $219.95
Currently Out of Stock
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Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub | Sonnax

4L80E TH400 Heavy Duty Forward Clutch Hub NOT COMPATIBLE WITH 1964-1966 TH400 MAIN SHAFTS WITH MAJOR DIAMETER OF SPLINE ABOUT 0.980''. TO USE THE SONNAX HUBS INT HESE EARLY UNITS A 1967-LATE MAIN...

MSRP:

Now: $134.95
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Sonnax

4L80E TH400 HD Forward Clutch Hub Front Washer (Pack of 5) 0.078"

Pack of 5 Sonnax forward clutch hub front washer 34298-078 replaces the OE .063" thick washer between the forward clutch hub and the forward drum. It is .015" thicker than OE and is the optimal way...

MSRP:

Now: $54.65
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Sonnax

4L80E TH400 TH425 Extreme Duty Forward Clutch Hub Kit | Sonnax

4L80E TH400 TH425 Extreme Duty Forward Clutch Hub Kit NOT COMPATIBLE WITH 1964-1966 TH400 MAIN SHAFTS WITH MAJOR DIAMETER OF SPLINE ABOUT 0.980''. TO USE THE SONNAX HUBS IN THESE EARLY UNITS A...

MSRP:

Now: $158.22
Currently Out of Stock
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Steel Plates

4L80E Performance KOLENE® Steel Module (1991-UP)

4L80E Performance Kolene Coated Steel Module(Module may be Raybestos or Alto depending on availability). Kolene® plates are higher heat resistant and offer increased lubricity. Kolene® is a...

MSRP:

Now: $159.95
Currently Out of Stock

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