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Marlin Turbo Tailhousing

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The turbo tailhousing required a 23-spline coupler between the transmission and transfer case versus the 21-spline found in G and W series transmissions. The 23-spline coupler is made by Marlin with a few upgrades over the stock coupler. However, the Marlin piece has a 2-degree bevel cut on the gear clutch of the synchro to keep it from popping out of low range unlike some other couplers on the market.