BUICK ROADMASTER Transmission & Drivetrain

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.5/8.6 in., 2.73 & up, Each

Part Number: ETN-913A481

4.85 out of 5 stars ( 136 )

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Torque Converter, ESR Series, 9.50 in. Diameter, 2,800 to 3,000 rpm Flash Stall, 700R4, Lockup, Each

Part Number: FTI-ESRL3082

5.0 out of 5 stars ( 5 )

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Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each

Part Number: ETN-912A317

4.39 out of 5 stars ( 18 )

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Torque Converter, ESR Series, 9.50 in. Diameter, 2,800 rpm Flash Stall, 700R4, Lockup, Each

Part Number: FTI-ESRL3380

5.0 out of 5 stars ( 1 )

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Torque Converter, ESR Series, 9.50 in. Diameter, 3,000 to 3,200 rpm Flash Stall, 700R4, Lockup, Each

Part Number: FTI-ESRL0082

5.0 out of 5 stars ( 5 )

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Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, 4L60E/700R4, Each

Part Number: BMM-70419

4.67 out of 5 stars ( 3 )

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Differential, Grip Pro Traction System, 30-Spline, GM 8.5in., 8.6 in., Each

Part Number: PWT-GT201030

5.0 out of 5 stars ( 5 )

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TORQUE CONVERTER, GM TORQUE CONVERTER 4L60/4L60E/700R4, 30 SPLINE 3800 STALL

Part Number: FTI-ESRL7082

5.0 out of 5 stars ( 1 )

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Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1102

4.5 out of 5 stars ( 2 )

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Flywheel, Steel, 168-Tooth, 30 lb., External Balance, Chevy, 4.3, 5.0, 5.7L, Each

Part Number: HAY-10-630

3.67 out of 5 stars ( 3 )

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Torque Converter, Holeshot, 1,900-2,000 rpm Stall Range, Chevy, 4L60E/700R4, Each

Part Number: BMM-70417

1.0 out of 5 stars ( 2 )

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Torque Converter, 30-spline Input, 9.5 in. Diameter, 3,600 Stall, 4L60/700R4, Each

Part Number: FTI-ESRL0086

1.0 out of 5 stars ( 1 )

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Automatic Transmission Rebuild Kit, TransKit, GM, 4L60, 700R4, Kit

Part Number: BMM-70233

4.6 out of 5 stars ( 5 )

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Differential, Lock-Right, Locker, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-1930-LR

4.75 out of 5 stars ( 8 )

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Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

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Differential, Lock-Right, Locker, 26-Spline, GM, 7.625 in., Each

Part Number: PWT-1932-LR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 4, 2026 if ordered today

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Torque Converter, ESR Series, 9.50 in. Diameter, 3,800 to 4,000 rpm Flash Stall, 700R4, Lockup, Each

Part Number: FTI-ESRL8082

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Estimated Ship Date: May 18, 2026 if ordered today

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Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

2.33 out of 5 stars ( 3 )

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Differential, Lock-Right, Locker, 28-Spline, GM, 7.625 in., Each

Part Number: PWT-1931-LR

4.62 out of 5 stars ( 13 )

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Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

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Estimated Ship Date: May 7, 2026 if ordered today

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Differential, Grip Pro Traction System, 28-Spline, GM 7.5 in., 7.625 in., Each

Part Number: PWT-GT247528

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Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1100

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Estimated Ship Date: May 5, 2026 if ordered today

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Differential, Grip LS Traction System, 28-Spline, GM, 7.5 in., 7.6 in., Each

Part Number: PWT-LS247528

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Ring and Pinion Gears, Pro Series, 3.90:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-G975390

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Estimated Ship Date: May 7, 2026 if ordered today

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Torque Converter, ESR Series, 9.50 in. Diameter, 3,400 to 3,600 rpm Flash Stall, 700R4, Lockup, Each

Part Number: FTI-ESRL6082

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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