C4 Corvette ZF 6 Speed Conversion Kit
1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996
Do you have a 1984 to 1988 Corvette with a Doug Nash 4+3 transmission and want to replace it? Do you have a 1984 to 1996 Corvette with an automatic transmission and want to convert it to a 6 speed standard?
Corvette Salvage offers used, complete ZF 6 speed transmission kit assemblies which can be used to swap out any Doug Nash or automatic transmission with a ZF 6 speed transmission. All kits shipped out from our facility are ready to be installed in any 1984 to 1996 Corvette.
The ZF 6 Speed Conversion Kit includes the following parts:
- ZF 6 Speed Transmission with Shifter (includes knob)
- Clutch Fork with Pivot Ball
- Dual Mass Flywheel
- Clutch and Pressure Plate
- Clutch Master Cylinder
- Clutch Slave Cylinder
- Clutch Line
- Torque Arm
- Driveshaft with Yoke
- Fiberglass Floor Section Cutout
- Clutch Pedal with Neutral Safety Switch
- Console Plate with Leather Shifter Boot
Black vs Blue Tag ZF’s
Black Tag ZF’s were made from 1989 to mid 1993. Blue Tag ZF’s were made from mid 1993 to 1996. Black Tag ZF units were made in West Germany, by ZF. By 1993, GM was making them under license in the USA.
Complaints about gear whine on the Black Tag ZF led to the creation of the Blue Tags ZF units. These units were cut down on whining by cutting the gears at a steeper angle. This resulted in a marginally weaker box found on the Blue Tag ZF units. Overall, the Black Tag ZF has a 450 ft/lb rating, while the Blue Tag ZF has a 400 ft/lb rating.
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