Delivering ultimate protection against Chrysler 48RE shaft breakage, Sonnax extreme duty output shaft kit 22173D-01K features a unique combination of innovative engineering and quality manufacturing. Stronger materials typically used for improving weak parts can’t overcome the OE shaft’s small, 23-spline cross-section. The Sonnax shaft features a significantly larger, 29-spline configuration that is based on the OE manual transmission spline. At 1.480" dia., this high-strength alloy shaft delivers 50% more strength than OE-size, aftermarket shafts.

For applications where replacing the transfer case input shaft is not an option, see Sonnax heavy duty output shaft 22173D-HD.

• Larger, 29-spline diameter allows for increased cross-section to protect against breakage
• High-strength alloy balances the toughness required for shaft strength with the deep case hardness required for the one-way clutch race that is an integral part of the shaft
• The included New Venture 271/273 input gear is ready for install — no machining required