But that's a transmission... I personally HATE transmissions for use with BL, unless it's a 2wd electric. When I had my Revo, I sold off the transmission right away to BrianG, and made my version of the "slipperential". Just to throw it out there, here are pics of it:
http://smg.photobucket.com/albums/v1...or%20Sale/
lincpimp has further improved upon my setup.
SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz