Third Member Complete Assembly Transmission & Drivetrain

Currie 9 in. Third Members CE-9CT370S50

Third Member, 3.70:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT370S50

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Currie 9 in. Third Members CE-9CT350S50

Third Member Complete Assembly, Ford 9 in., 3.50:1 Gear Ratio, TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT350S50

5.0 out of 5 stars ( 1 )

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Currie 9 in. Third Members CE-9CT411S50

Third Member, 4.11:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT411S50

4.0 out of 5 stars ( 2 )

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Currie 9 in. Third Members CE-9CT389S50

Third Member, 3.89:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT389S50

5.0 out of 5 stars ( 1 )

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Moser Engineering Ford 9 in. Third Member Assemblies 3MNC31AN370

Center Section, 9 in. Ford, Nodular Iron, Trak-Lok, 31-Spline Axle, 3.70:1 Ratio, Each

Part Number: MSR-3MNC31AN370

Not Yet Reviewed

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Detroit Speed FN988 Assembled Center Sections 070880-331DS

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: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Currie 9 in. Third Members CE-9SP456R50

9-Inch Third Member Complete Assembly, 4.56 Gear Ratio Spool. 35 Spline, Nodular Iron Case, 1350 Yoke, Each

Part Number: CUR-CE-9SP456R50

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Detroit Speed FN988TA Assembled Center Sections 070881-355DS

FN988 TA CASE 31 SPL TT 3.55 RATIO 1350

Part Number: DSR-070881-355DS

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Detroit Speed FN988 Assembled Center Sections 070880-410DS

Third Member Complete Assembly, Detroit Speed, FN988 Assembly, 8.8 in. Gears, 31 Spline, Truetrac, 4.10 Ratio, 1350 Yoke, for Ford 9 in Housing, Each

Part Number: DSR-070880-410DS

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today