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

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Estimated Ship Date: Nov 21, 2025 if ordered today

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Third Member Complete Assembly, Detroit Speed, FN988 Assembly, 8.8 in. Gears, 31 Spline, Truetrac, 3.73 Ratio, 1350 Yoke, for Ford 9 in Housing, Each

Part Number: DSR-070880-373DS

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Third Member Complete Assembly, Detroit Speed, FN988 Assembly, 8.8 in. Gears, 31 Spline, Truetrac, 3.08 Ratio, 1350 Yoke, for Ford 9 in Housing, Each

Part Number: DSR-070880-308DS

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Estimated Ship Date: Nov 21, 2025 if ordered today

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CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.70 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE

Part Number: CUR-CE9CT370SS50

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Estimated Ship Date: Dec 8, 2025 if ordered today

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CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.50 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE

Part Number: CUR-CE9CT350SS50

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Center Section, 9 in. Ford, Nodular Iron, Detroit Truetrac, 31-Spline Axle, 3.50:1 Ratio, Kit

Part Number: MSR-3MNT31AN350

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Third Member Complete Assembly, Detroit Speed, FN988 Assembly, 8.8 in. Gears, 31 Spline, Truetrac, 3.31 Ratio, 1350 Yoke, for Ford 9 in Housing, Each

Part Number: DSR-070880-331DS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 14, 2025 if ordered today

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Third Member Complete Assembly, Detroit Speed, FN988 Assembly, 8.8 in. Gears, 31 Spline, Truetrac, 3.55 Ratio, 1350 Yoke, for Ford 9 in Housing, Each

Part Number: DSR-070880-355DS

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Center Section, 9 in. Ford, Nodular Iron Case, Trac-Lok, 31-Spline, Daytona Pro/Street Support, 3.50:1, Each

Part Number: MSR-3MNC31AN350

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Third Member Assembly, Ford 9 in., Nodular Iron Case, Auburn, 31-Spline Axle, 3.50:1 Ratio, Each

Part Number: MSR-3MNA31AA350

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Center Section, 9 in. Ford, Cast Iron, Trak-Lok, 31-Spline Axle, 3.25:1 Ratio, Each

Part Number: MSR-3MSC31AN325

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CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.00 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE

Part Number: CUR-CE9CT300SS50

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Estimated Ship Date: Dec 8, 2025 if ordered today

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CURRIE SUPER SPORTSMAN THIRD MEMBER - 3.70 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE

Part Number: CUR-CE9CT389SS50

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Estimated Ship Date: Dec 8, 2025 if ordered today

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CURRIE SUPER SPORTSMAN THIRD MEMBER - 4.11 GEARS - 31 SPLINE CURRIE TWINTRAC - ALUMINUM DAYTONA PINION SUPPORT - 1350 CHROMOLY YOKE

Part Number: CUR-CE9CT411SS50

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Center Section, 9 in. Ford, Nodular Iron, Trak-Lok, 31-Spline Axle, 3.89:1 Ratio, Each

Part Number: MSR-3MNC31AN389

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

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Center Section, 9 in. Ford, Nodular Iron, Locker, 31-Spline Axle, 5.14:1 Ratio, Each

Part Number: MSR-3MNL31AA514

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Center Section, 9 in. Ford, Nodular Iron, Locker, 31-Spline Axle, 3.89:1 Ratio, Each

Part Number: MSR-3MNL31AN389

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Center Section, 9 in. Ford, Nodular Iron, Locker, 31-Spline Axle, 4.11:1 Ratio, Each

Part Number: MSR-3MNL31AN411

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Center Section, 9 in. Ford, Nodular Iron, Auburn Limited Slip, 31-Spline Axle, 3.25:1 Ratio, Each

Part Number: MSR-3MNA31AA325

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Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 4.86:1 Ratio, Each

Part Number: MSR-3MNS31AN486

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Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 5.43:1 Ratio, Each

Part Number: MSR-3MNS31AN543

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Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 5.67:1 Ratio, Each

Part Number: MSR-3MNS31AN567

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Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 5.83:1 Ratio, Each

Part Number: MSR-3MNS31AN583

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Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 6.00:1 Ratio, Each

Part Number: MSR-3MNS31AN600

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Center Section, 9 in. Ford, Nodular Iron, Spool, 31-Spline Axle, 6.20:1 Ratio, Each

Part Number: MSR-3MNS31AN620

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