Performance & Replacement Transmission & Drivetrain Parts

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

Part Number: SUM-700115

4.83 out of 5 stars ( 53 )

Estimated Ship Date: Today

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Manual Transmission, TKX, 5 Gears, 1.125 in. - 26-spline Input, 31-spline Output, 3.27:1 First Gear Ratio, Aluminum Case, Tremec TKX, Ford, Each

Part Number: REM-TCET18085

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 16, 2025 if ordered today

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Flexplate, 168-Tooth, External Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, 400, Each

Part Number: SUM-G101SFI

4.24 out of 5 stars ( 45 )

Estimated Ship Date: Today

Automatic Shifter, Winters Sidewinder, Forward Pattern Valve Body, Standard Gate, GM, 4L80E, Each

Part Number: WPP-187-1

4.75 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Torque Converter, Saturday Night Special, Chevy, TH350, TH400, 12 in. Diameter, Each

Part Number: TCI-241500-A

3.18 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Differential, Trac-Loc, Ford, 9 in., 31-Spline, Each

Part Number: SUM-CTF9TRACL31

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Automatic Shifter, Quarter Stick, Chevy, Forward/Reverse Pattern, Powerglide, TH250, TH350, TH375, TH400, Each

Part Number: HUU-3160001

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, 700R4, 4WD, Each

Part Number: TCI-371400

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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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: Today

Clutch Kit, RXT Street Twin, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Billet Aluminum Flywheel, Chevy, Kit

Part Number: MCL-6306807M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Torque Converter, Pro LS, 11.8 in. Diameter, Chevy LS, 4L80E, 2.650 in. Hub Height, 2,600-2,800 Stall, Each

Part Number: SUM-700347

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Bellhousing, Manual, Steel, Chevy, Big/Small Block, Each

Part Number: LAK-15000LKW

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Throwout Bearing, Hydraulic, 1.375 in. Diameter, GM Muncie,T-10, Saginaw, Tremec TKX/TKO, Kit

Part Number: SUM-7001111

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Torque Converter, ESR Series, 9.50 in. Diameter, 2,800 rpm Flash Stall, TH350, TH400, Each

Part Number: FTI-ESR3380

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Steering Universal Joint, Steel, Chrome, 3/4 in. DD, 3/4 in. DD, Each

Part Number: SUM-760668

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

Yoke, TH400 Transmission, Chromoly, 32-Spline, Spicer 1350 Joint Style, 8.810 in. Overall Length, Each

Part Number: SOX-T3-3-5551HP

4.33 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Tailshaft Adapter, 6-Bolt To 4-Bolt, Billet Aluminum, Natural, GM 4L60E, 4WD, Each

Part Number: ADD-50-0405E

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

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

Part Number: SUM-G3890B

3.92 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Differential, Eaton Detroit Truetrac, 30-Spline, Chrysler, 8.75 in., Each

Part Number: ETN-913A572

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: SUM-741001

4.37 out of 5 stars ( 35 )

Estimated Ship Date: Today

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Flywheel, Steel, 130-Tooth, 27 lbs., Internal/External Engine Balance, Mopar, L6, Big, Small Block V8, Each

Part Number: MCL-464102

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Flywheels, OE Replacement, Cast Iron, 168-tooth, 30 lbs., External Engine Balance, Chevy, Big Block, Each

Part Number: SUM-700096

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Shifter Installation Kit, Competition Plus, Top Loader, 432, Ford, Mercury, Kit

Part Number: HUU-3737637

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Throwout Bearing, 1300 Series Hydraulic, 26-spline Input, Tremec TKX, Each

Part Number: MCL-1350

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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