$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Summit Racing SpeedCard - learn how to get 10% back - Get Details!

Third Member Complete Assembly

Individual Parts

Results 1 - 25 of 81

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 ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Third Member, 3.50:1 Gear Ratio, Currie 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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 15, 2025 if ordered today

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

Part Number: MSR-3MSC31AN325

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 4, 2025 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: Jul 7, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 7, 2025 if ordered today

Third Member, 3.00:1 Gear Ratio, Currie TwinTrac, 31-Spline, Nodular Iron Case, Big Bearing Pinion Support, 1350 Yoke, Each

Part Number: CUR-CE-9CT300S50

Not Yet Reviewed

Estimated Ship Date: Jul 18, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 18, 2025 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

THIRD MEMBER ASSEMBLY

Part Number: CUR-CE-9CT325S50

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 17, 2025 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Center Section, 9 in. Ford, Aluminum, Detroit Truetrac, 31-Spline Axle, 3.70:1 Ratio, Each

Part Number: MSR-3MAT31AA370

Not Yet Reviewed

Estimated Ship Date: Aug 1, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 1, 2025 if ordered today

Center Section, 9 in. Ford, Aluminum, Detroit Truetrac, 31-Spline Axle, 4.11:1 Ratio, Each

Part Number: MSR-3MAT31BA411

Not Yet Reviewed

Estimated Ship Date: Aug 1, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 1, 2025 if ordered today

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

Part Number: MSR-3MNA31AA325

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 30, 2025 if ordered today

Third Member Complete Assembly, Ford 9 in., 31-Spline, Nodular Iron Case, Steel Main Cap, Bolt Retention, 4.57:1 Ratio, 1350 Series Yoke, Each

Part Number: MSR-3MNS31AP457P

Not Yet Reviewed

Estimated Ship Date: Aug 1, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 1, 2025 if ordered today

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

Part Number: MSR-3MNS31AA411

Not Yet Reviewed

Estimated Ship Date: Aug 1, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 1, 2025 if ordered today

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: Today

...Loading

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: Jul 17, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 17, 2025 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: Jul 17, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 17, 2025 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-CE9CT370SS50

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 17, 2025 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: Jul 17, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 17, 2025 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: Jul 17, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 17, 2025 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: Jun 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jun 30, 2025 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: Aug 1, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 1, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.