manual transmission kits are designed for use in 4WD trucks
and 4Runners for towing and normal driving with increased
power. They are not intended for racing purposes.
If you use the extra power sensibly the stock transmission
and axle will last and perform properly. The manual
transmission bellhousing kits are designed to replace Toyota
4 cylinder and V6 engines, in '79-'95 trucks and 4Runners,
that have a 5 speed transmission with removable
These adapters require a 153 tooth flywheel.
The kit bolts into position without having to relocate the transmission/transfer case assembly and does not require firewall modifications, body trimming or driveline modifications. 1979-85 trucks with 3" or 4" suspension lifts will not require oil pan modifications. '86 to'95 IFS trucks and 4Runners may use our modified oil pan with our heavy duty torsion bars to carry additional weight for street use only. Trucks that are used off-road should have the above plus a 4" suspension lift! NWOR recommends use of a body-lift on all engine swaps to provide maximum airflow over the engine and mandatory header and distributor clearance.