BUICK Transmission & Drivetrain

Automatic Shifter, GM, TH350, 12 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CO350CM

5.0 out of 5 stars ( 3 )

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Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882355

5.0 out of 5 stars ( 3 )

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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, 28-Spline, GM, 7.625 in., Each

Part Number: PWT-1931-LR

4.62 out of 5 stars ( 13 )

Estimated Ship Date: May 6, 2026 if ordered today

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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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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

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Differential, Lock-Right, Locker, 28-Spline, GM, 8.2 in., Each

Part Number: PWT-1940-LR

4.25 out of 5 stars ( 4 )

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Automatic Shifter, GM, 4L60E, 16 in. Dual Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CO4L60EGM

5.0 out of 5 stars ( 1 )

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Automatic Shifter, GM, TH400, 12 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CO400CM

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5in./7.625 in., 2 Series, Set

Part Number: MGR-G875373X

4.8 out of 5 stars ( 5 )

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Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM400, Buick, Chevy, Each

Part Number: HAY-97-1D28Q

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E28Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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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: Apr 7, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12607

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Estimated Ship Date: Apr 20, 2026 if ordered today

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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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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12605

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Estimated Ship Date: Apr 20, 2026 if ordered today

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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: May 6, 2026 if ordered today

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Automatic Shifter, Case Mounted, Detent, 23.000 in. Double Bend Chrome Stick, 3/8-24 in., Polished Mushroom Knob, TH400, Each

Part Number: LOK-CM400ANMP

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882411

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Buick, Pontiac, Set.

Part Number: MGR-BP882355

5.0 out of 5 stars ( 2 )

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Clutch Kit, Centerforce II, 1.125 in. - 26-spline, Organic/Carbon Composite Disc, Pressure Plate, Buick, Chevy, Kit

Part Number: CTF-KCFT617516

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Hydraulic Throwout Bearing Conversion Kits, American Powertrain Hydramax Hydraulic Clutch Release Systems, Pedal Kit, Sold as a Kit

Part Number: AWR-CAGM40014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Clutch Kit, Powergrip HD, Metallic, 1 1/8 in.- 10-Spline, 11 in. Disc, GM, L6, V8, Kit

Part Number: RAM-98762HD

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in., 12-Bolt Car, Each

Part Number: PWT-GT231230

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Estimated Ship Date: May 7, 2026 if ordered today

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Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 10.500 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1100

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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