GMC Transmission & Drivetrain

Transmission Upgrade Kit, Shift Improver, GM, TH400, TH375, M40, Each

Part Number: BMM-20260

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 12/29/2025

U-Joint, Light Duty, Spicer 1310 Style, Steel, 4 Plain Bearing Cap Style, Each

Part Number: SDH-5-153X

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/29/2025

Differential Carrier Bearing, Bearing and Race Set, Each

Part Number: TMK-SET36

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/29/2025

Axle Assembly, 68-72 GM A-Body, Rear, Centurion 9-inch, 31-Spline, 5 x 4.75 in. Bolt Pattern, Housing & Axle Kit

Part Number: CUR-CE-GMA6872X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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Clutch Kit, Centerforce I, 1.125 in. - 10-spline, Organic Disc, GM, Kit

Part Number: CTF-KCF523516

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/29/2025

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Differential Carrier, Detroit Truetrac, GM 9.5/9.76 in., 33-spline Axle Shaft, Designed for 3.42-3.73 Gear Ratios, Rear, Cadillac, Chevy, GMC, Each

Part Number: ETN-917A732

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Automatic Transmission Kickdown Cable, Midnight Series Hi-Tech, Black Braided Stainless Steel, Black Aluminum Fittings, GM, 700R4, Kit

Part Number: LOK-XKD2700HT

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/29/2025

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Automatic Shifter, GM, TH350, 16 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-CM350BM

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

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Universal Joint, 1310 Style, Greasable, Steel, Each

Part Number: MOG-369

4.57 out of 5 stars ( 37 )

Estimated Ship Date: Monday 12/29/2025

Clutch Housing, Automatic Transmission Direct Clutch Housing, Chevrolet, GMC, Each

Part Number: ADO-24245624

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

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• $20 Summit Bucks

Automatic Shifter, Electronic Sport Shifters, Detent, 4.000 in. Straight Chrome Stick, 3/8-24 in., Brushed Mushroom Knob, 4L80E, Each

Part Number: LOK-ES4L80HM

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373OE

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

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Torque Converter, Nitrous Holeshot, 3,500-3,800 rpm Stall Range, 30-spline, THM350/THM400, Each

Part Number: BMM-20485

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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Ring and Pinion Complete Kit, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.875 in., Rear, Kit

Part Number: YGA-10629

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Transmission Pan, Aluminum, Black/Brushed Finish, Deep, Extra 4 Qt., Filter, Chevy, GMC, Allison 1000, 2000, 2400, Each

Part Number: PPE-128051010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT373

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/29/2025

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U-Joint, Light Duty, Spicer SPL25/S44 Type, Each

Part Number: SDH-5-795X

4.76 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/29/2025

Clutch Select Valve and TCC Regulator Valve kit GM 6L45, 6L50, 6L80, and 6L90

Part Number: TRG-6L8CSTCC

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730958

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

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Shifter, Blackjack, 82-95 S10/S15 with GM T-5 Transmission, Each

Part Number: HUU-3916045

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/29/2025

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Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, Dana 44, Each

Part Number: ETN-913A592

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Differential, Posi Performance, Limited Slip, 30-Spline, 12-Bolt, 4 Series, Chevy, GMC, Truck, Each

Part Number: ETN-19556-010

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/29/2025

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Front Axle Actuator, Posi-Lok, Chevy, GMC, 4WD, Kit

Part Number: POS-500

4.06 out of 5 stars ( 33 )

Estimated Ship Date: Monday 12/29/2025

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Transmission Pan, Aluminum, Finned, Polished, Stock Capacity, GM, 700R4/4L60E/4L65E, Gasket, Chrome Bolts, Kit

Part Number: TRD-8898

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Monday 12/29/2025

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Differential Carrier, Positraction, Nodular Iron, Dana 60, Dana 61, 30 Spline, 3 Series, Each

Part Number: SUM-730975

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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