wow
never said you were wrong or should never be done . just pointing out a few things incase you didnt know since you SAID i have never owned a 203 case .
i DONT wana fight or piss off anyone here . i was just pointing out a few things was all . i guess you took it wrong .
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a 203 is chain drive i am NOT saying it is not . but the chain drive is for the front output only . the reduction is gear drive in the front half . looks almost like a 205 inside . pics posted .
a 203/205 doubler mates the best part of a 203 the RANGE BOX to a 205 and gets you a super strong combo with 4:1 low with both in low.
pic 1 &2 = np203 range box gears . same size as a np205 basicly .
pic 3 = offroad design doubler kit mated to the 203 range box ready to bolt a 205 on the back .
pic 4 - 5 = whole combo bolted up and ready to install .