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Fine Spline 205 Gear And Sleeve

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Offroad Design and National Drivetrain offer a fine-spline 205 input gear and a fine-spline drive sleeve (shown) to match the fine-spline automatic transmission output shaft, but you'll have to disassemble the transfer case to install the input gear. The other option is to replace the tranny output shaft with a coarse-spline unit from Advance Adapters, but this requires the teardown of the transmission to install. For the TH700, the trans will need a shorter output shaft or an Advance Adapters spacer anyway, so the coarse-spline output shaft may be the better way to go.