Performance & Replacement Transmission & Drivetrain Parts

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L80E, Each

Part Number: LOK-TD34L80FM

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD350400FM36

4.79 out of 5 stars ( 38 )

Estimated Ship Date: Monday 11/10/2025

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Torque Converter, Tork Master, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20402

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit

Part Number: TCI-259000

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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• $30.00 Summit Bucks

Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, Each

Part Number: TCI-316861

4.85 out of 5 stars ( 33 )

Estimated Ship Date: Monday 11/10/2025

Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, Chevy, TH350, TH400, Each

Part Number: LOK-XTD350400FM3

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Transmission Dipstick, Braided Stainless Housing, Aluminum, Black Anodized Handle, Chevy, 700R4, Each

Part Number: LOK-XTD-3700FM

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Automatic Transmission Rebuild Kit, Pro Super, GM, TH400, Kit

Part Number: TCI-228800

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 36 in. Length, 700R4, Each

Part Number: LOK-TD3700FM36

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Torque Converters, Twister 3/4 Race, Street/Strip, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E24Q

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 36 in. Length, 4L80E, Each

Part Number: LOK-TD34L80FM36

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

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Flexplate Dust Shield, Steel, Chrome, Chevy, 700R4, Each

Part Number: MRG-5135

2.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

Pump Gear, 13-Vane, Billet Rotor, Automatic Transmission Pumps, GM, 4L60E, THM700-R4, Each

Part Number: TCI-373401

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Transmission Dipstick, Braided Stainless Steel, Black Housing, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD-34L80TM

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Sprag, Intermediate, Steel, 34-Element, GM, TH400, Each

Part Number: TCI-227900

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Transmission Yoke, Cast Steel, N3R, 32 Spline, GM, TH400, Each

Part Number: TCI-965300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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U-Joint, Light Duty, Spicer 1000 Series, Greasable, Inside Snap Rings, Steel, Polaris, Ranger, RZR, Each

Part Number: SDH-5-170X

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

Sun Shell, Automatic Transmission, Steel, GM, 700R4, 4L60E, 4L65E, Each

Part Number: TCI-373900

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

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Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Monday 11/10/2025

Billet Rotor, 10-Vane, Automatic Transmission Pump, GM, 4L60E, 700R4, Each

Part Number: TCI-373400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Tailshaft Housing, Aluminum, GM, TH400, Each

Part Number: TCI-226405

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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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

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

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Transmission Fluid Dipsticks, Chrome Plated, Bellhousing Mount, Case Entry, Chrome Tube and Handle, 25.00 in. Length, Chevy, TH400, Each

Part Number: MRG-9765-A

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, TCI Logo, Each

Part Number: TCI-316860

3.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/10/2025

Torque Converter, Nitrous Holeshot, 2,300-2,500 rpm Stall Range, THM350/THM400, Each

Part Number: BMM-20480

4.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 11/10/2025

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