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Trail-Gear Dual Case Adapter Couplers
Not Yet Reviewed
Trail-Gear dual case adapter couplers are designed to work with OEM and Trail-Gear input gear splines. These high-strength splined couplers are made from heat-treat
Trail-Gear dual case adapter couplers are designed to work with OEM and Trail-Gear input gear splines. These high-strength splined couplers are made from heat-treated and carburized SCM415 alloy steel and used to upgrade your rear input from 21-spline to 23-spline, or to replace a worn coupler. These dual case adapter couplers are available in 21- or 23-spline (please count the input splines on your rear case input shaft) and may not work with other manufacturer's aftermarket gears. The 26-spline models are designed to fit 2.7 manual transmission style adapters only! Choose the dual case adapter couplers in the model
Trail-Gear dual case adapter couplers are designed to work with OEM and Trail-Gear input gear splines. These high-strength splined couplers are made from heat-treated and carburized SCM415 alloy steel and used to upgrade your rear input from 21-spline to 23-spline, or to replace a worn coupler. These dual case adapter couplers are available in 21- or 23-spline (please count the input splines on your rear case input shaft) and may not work with other manufacturer's aftermarket gears. The 26-spline models are designed to fit 2.7 manual transmission style adapters only! Choose the dual case adapter couplers in the model designed for fitment on your application.
Showing In Stock Items. Show All 1 Items.
Dual Case Coupler 21 Spline
Part Number: TGI-100006-1
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
