Performance & Replacement Transmission & Drivetrain Parts

Front Axle Actuator, Posi-Lok, Dodge, Pickup, Kit

Part Number: POS-400

4.7 out of 5 stars ( 147 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Yoke, Chromoly, 1350, 32-spline, GM, TH400, Richmond Super T-10 (Second Design), 4L80E, Each

Part Number: STR-U1664

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

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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 )

Estimated Ship Date: Monday 2/9/2026

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Billet Servo, Low Gear, Billet Aluminum, Powerglide, Kit

Part Number: SOX-28821-10K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Pan, Stock Depth, Aluminum, Polished, Finned, TH350, GM, Chevy, Oldsmobile, Pontiac, Each

Part Number: SUM-G3890

3.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/9/2026

Driveshaft, Driveline, Self-adjusting, 3.219 in. Diameter, Balanced, Steel, Rear, Chevy, Each

Part Number: CLP-CPSSD

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Kit, Street Dual, Clutch, Pressure Plate, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-SDD3250-G

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/9/2026

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Axle Housing, Rock Assault 9, 75.625 in. Width, 3.50 in. Diameter, Ford, 9 in., Each

Part Number: TGI-144049-1-KIT

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Flexplate Spacer, Crankshaft, Steel, Natural, Chevy GM, LS/LSX, Gen III/IV, Includes Bolts, Kit

Part Number: SUM-704000

4.74 out of 5 stars ( 27 )

Estimated Ship Date: Monday 2/9/2026

Locking Hubs, Manual, Supreme, Chrome, Jeep, International, Pair

Part Number: MMK-457

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Pan, Stock, Steel, Black Powdercoat, Finned, 4L60, 4L60E, 700R4, Buick, Chevy, GMC, Pontiac, Each

Part Number: SUM-G3886B

4.62 out of 5 stars ( 77 )

Estimated Ship Date: Monday 2/9/2026

Flexplate, 164-Tooth, External Engine Balance, 28 oz. Imbalance, SFI 29.1, Ford, Small Block, Each

Part Number: SUM-G111SFI

3.78 out of 5 stars ( 40 )

Estimated Ship Date: Monday 2/9/2026

Throwout Bearing, Hydraulic, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: AWR-CAGM30001P

3.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/9/2026

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Flywheel, Billet Steel, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, Big, Small Block, Each

Part Number: SUM-700180

4.44 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/9/2026

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Throwout Bearing, 1300 Series Hydraulic, Adjustable Height Piston, for 2.50 in. - 2.99 in. A Dimensions, 26-spline Input, Tremec TKX, Each

Part Number: MCL-1350

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Torque Converter, Tork Master, 1,900-2,000 rpm Stall Range, Mopar, Torqueflite 727, 10 in. Bolt Circles, Each

Part Number: BMM-10416

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/9/2026

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Clutch Kit, RXT, 1 1/8 in. x 26-Spline, 9.688 in. Diameter Disc, Kit

Part Number: MCL-6923-07

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Axles, Direct Fit, 1541H Steel, 28-Spline, C-Clip, Chevy, 8.2 in., 8.5 in., Kit

Part Number: SUM-700116

4.88 out of 5 stars ( 51 )

Estimated Ship Date: Monday 2/9/2026

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Ring and Pinion Gears, 3.73:1 Ratio, GM, 12-Bolt Passenger Car, 3 Series, Set

Part Number: RMG-4900391

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/9/2026

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Flexplate, 168-Tooth, Steel, Internal Balance, Chevy, GMC, Each

Part Number: ATP-Z270

4.43 out of 5 stars ( 42 )

Estimated Ship Date: Monday 2/9/2026

Differential, Detroit Truetrac, 29-Spline, Hummer/AMC 20 IRS, 3.08:1 + Higher, Each

Part Number: ETN-912A579

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Shifters, Automatic Transmission, Floor Mount, Cable Operated, Detent, Reverse Lockout, Horseshoe Knob, 4-speed Shifter Conversion, Chevy, Kit

Part Number: SIW-SW1011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Axle Assembly, 9 in. Rear-End Housing Assembly, Bolt-in, 1541H Alloy Steel, 31-spline Axle Shaft, Ford, Each

Part Number: CUR-CE-FDM6466X

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Automatic Shifter, Pistol-Grip Quarter Stick, Chevy, Forward/Reverse, Powerglide, TH250, TH350, TH375, TH400, Each

Part Number: HUU-3162002

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/9/2026

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Transmission Dipstick, Locking, Braided Stainless/Natural, Firewall Mount, TH350, TH400, Each

Part Number: LOK-1211144

4.9 out of 5 stars ( 30 )

Estimated Ship Date: Monday 2/9/2026

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