http://www.rc-monster.com/proddetail...CMcrbuggymount
Mike doesn't sell just the motor mount separately as far as I'm aware.
You will also need to change the steel posts that support the center bulkhead to the shorter CR ones:
http://www.nitrohouse.com/catalog/pr...ducts_id=12211
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