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700R4 Transmission Rebuild Kit 4L60 / 700R4 Performance Rebuild Kits

When it is time for a 4L60 / 700R4 rebuild kit, whether for a muscle car restoration, high performance street vehicle, street rod, hot rod, or all out race 700R4 we have the transmission rebuild kit you need for the job. We offer a variety of performance 4L60 transmission kits from a gasket and seal kit, to a master overhaul 700R4 kit.

NOTE: The 700R4 and 4L60 designations refer to the same model transmission with respect to the rebuild kits offered here. These kits are for the NON-electronic versions of these transmissions.

We sell the top quality JW Performance Transmissions brand TH 700R4 kit and master overhaul kits. Each 700R4 transmission kit includes the same quality components that JW uses in the high performance and racing 700 R4 transmissions that they build.


4L60 rebuild kit master overhaul transmission kit


JW Performance 700R4 Rebuild Kits / 4L60 Trans Rebuild Kits

700R4 Rebuild Kit Logo

The time to perform a 700R4 transmission rebuild with one of these kits is before trouble strikes. Whether you are restoring a street car, or building an all out racing transmission, using a top quality th350 trans overhaul kit or master overhaul kit will insure maximum performance and durability.

For a further description of what is included in each different type of rebuild kit, click here: Transmission Rebuild Kit Contents

Non-Electronic GM 700R4 / 4L60 Transmission Rebuild Kits

Description Part Number
7004R short transmission rebuild kit jw 85090
1982 1983 1984 700R4 overhaul kit, non-electronic model trans jw 85100
1985 1986 1987 700 R4 overhaul kit, non-electronic jw 85100a
1987 and later 700R4 overhaul kit, non-electronic jw 85100b
1982 1983 1984 700R4 master rebuild kit, non-electronic jw 85110
1985 1986 1987 700 R4 master rebuild kit, non-electronic jw 85110a
1987 - 1992 700R4 master rebuild kit, non-electronic jw 85110b
1993 and later 700 R4 master rebuild kit, non-electronic jw 85110c
transmission filter jw 85006

NOTE regarding 1987 Model Year 700R4 Transmission:

There was a mid-year change on the 700 R4 during the 1987 model year. That is why you see overlap in the part numbers for the 1987 700R4 rebuild kits. To identify which kit you need you can look on the passenger side of the transmission.

There will be a casting line that looks like a camel hump. The line starts at the transmission oil pan rail and goes up to the cooler lines and then back to the oil pan rail. If your transmission has this camel hump casting line then you need the 1987 and later model rebuild kit.

If you do not find the 700 R4 rebuild kit you are looking for please contact us and we will be happy to help you.


Automatic Transmission model nomenclature and related model name reference:

GM Chevy Chevrolet Buick Pontiac Oldsmobile

TH 700R4, 700R4, 700 4R, 4L60

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JW Performance Automatic Transmissions Catalog Index Page

Automatic Transmission Adjustment, Tips and FAQ





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