Availability
Third Member Complete Assembly
Center Section, 9 in. Ford, Nodular Iron, Trak-Lok, 31-Spline Axle, 3.70:1 Ratio, Each
Part Number: MSR-3MNC31AN370
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.70 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE
Part Number: CUR-CE9CT370SS50
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.25 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE
Part Number: CUR-CE9CT325SS50
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
THIRD MEMBER ASSEMBLY
Part Number: CUR-CE-9CT325S50
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.00 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE
Part Number: CUR-CE9CT300SS50
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.50 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE
Part Number: CUR-CE9CT350SS50
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron Case, Trac-Lok, 31-Spline, Daytona Pro/Street Support, 3.50:1, Each
Part Number: MSR-3MNC31AN350
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Third Member Assembly, Ford 9 in., Nodular Iron Case, Auburn, 31-Spline Axle, 3.50:1 Ratio, Each
Part Number: MSR-3MNA31AA350
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Detroit Truetrac, 31-Spline Axle, 3.50:1 Ratio, Kit
Part Number: MSR-3MNT31AN350
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
9-Inch Third Member with 4.11 Gear Ratio & 31-Spline Currie TwinTrac®, 1350 Chromoly Yoke
Part Number: CUR-9CT411S50
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
CURRIE SUPER SPORTSMAN THIRD MEMBER - 4.11 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE
Part Number: CUR-CE9CT411SS50
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.70 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE
Part Number: CUR-CE9CT389SS50
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Detroit Truetrac, 28-Spline Axle, 4.11:1 Ratio, Each
Part Number: MSR-3MNT28AN411
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Detroit Truetrac, 31-Spline Axle, 4.11:1 Ratio, Each
Part Number: MSR-3MNT31-AA411
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Detroit Truetrac, 31-Spline Axle, 3.89:1 Ratio, Each
Part Number: MSR-3MNT31BN389
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron Case, Trak-Lok, 28-Spline, Daytona Pro/Street Support, 3.50:1, Each
Part Number: MSR-3MSC28AN350
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Steel Main Cap, Bolt Retention, 3.25:1 Ratio, 1350 Series Yoke, Each
Part Number: MSR-3MNS31AA325
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Aluminum Case, Auburn, 31-Spline Axle, Daytona Pinion Support, 4.11:1 Ratio, Each
Part Number: MSR-3MAA31AA411
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Third Member Complete Assembly, Ford 9 in., 33-Spline, Aluminum Case, Aluminum Main Cap, Bolt Retention, 4.86:1 Ratio, 1350 Series Yoke, Each
Part Number: MSR-3MAS33AT486P
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Cast Iron, Trak-Lok, 28-Spline Axle, 3.00:1 Ratio, Each
Part Number: MSR-3MSC28AN300
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Third Member Assembly, Ford 9 in. Case Style, 31-spline, Cast Iron, Ring and Pinion, 4.11:1 Ratio, Each
Part Number: MSR-3MST31AN411
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Trak-Lok, 28-Spline Axle, 3.50:1 Ratio, Each
Part Number: MSR-3MNC28AA350
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
9IN CENTER SECTION
Part Number: MSR-3MNL31BN350
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Locker, 31-Spline Axle, 4.11:1 Ratio, Each
Part Number: MSR-3MNL31DA411
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 3.89:1 Ratio, Each
Part Number: MSR-3MNS31AA389
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster