Mabuchi, the manufacturer of the Titan, does not give their motors a kv rating. Here is the datasheet for the Titan (or a very similar motor):
http://www.mabuchi-motor.co.jp/en_US...rs_550pcvc.pdf
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