Complete Stealth XF transmission package

Installation notes

• Use one complete 42337 set. It already includes 42333 slipper lockout,91563 bearings, plastic upper gears,42338 55T/25T overdrive gears,42339 outdrives and 41090 motor screws. Do not add those as separate mandatory purchases.
• Retain a suitable existing motor and 48P pinion, radio/ESC, battery and serviceable mounting hardware. The SE factory build shows 1336 18T48P/1/8-inch-shaft interface; no motor, voltage increase or speed target is supplied by the transmission kit.
• The new transmission has a different primary reduction from Stealth X. Retaining the same motor pinion does not retain the old overall final-drive ratio. Check mesh, motor temperature, driveshaft engagement and electronics/wiring clearance after mounting.
• The complete kit includes a slipper lockout. It does not retain a functioning slip clutch, and extra traction/load can be transmitted to the driveline. Advertised 18% overdrive is a front/rear speed difference, not 18% more vehicle speed.
• This target uses Stealth X in its factory configuration. Replace the whole transmission; the individual 42338/42339 XF parts are not presented as direct drop-in Stealth X internals. Retain the original rear suspension rather than assuming a GKS chassis conversion.

Sources