Performance & Replacement Transmission & Drivetrain Parts

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Today

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

Part Number: SDH-5-1310X

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Today

Automatic Shifter, GM, 6L80, 8 in. Single Bend Chrome Stick, Original Brushed Mushroom Knob, Each

Part Number: LOK-ES6L80EM

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Chevy, 4L60E/700R4, Each

Part Number: BMM-70419

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.90:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888390

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Buick, Oldsmobile, Pontiac, TH400

Part Number: TCI-211300

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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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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: Today

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Automatic Transmission Servo Assembly, Externally Adjustable Low/Reverse, 6061 Anodized Billet Aluminum, for GM TH400 Racing Transmission, Kit

Part Number: SOX-34914-20K

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Flexplate, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Chevy, 5.0/5.7L, Each

Part Number: TCI-399773

4.68 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Differential Carrier, Positraction, Nodular Iron, GM 8.5/8.6 in., 30 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730968

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Torque Converter, 10 in. Diameter, Billet Cover, Powerglide, TH350, TH400, 3,200-3,500 Stall, Each

Part Number: SUM-700361-BC

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26018

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Transmission Pan, Deep, Aluminum, Natural, GM, TH400, Each

Part Number: BMM-20280

4.58 out of 5 stars ( 57 )

Estimated Ship Date: Today

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Clutch Kit, Centerforce II, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: CTF-KCFT485216

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: BMM-20412

3.8 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Flexplate Bolts, Pro Series, 11mm x 1.5, .880 in. Length, 12 Point, Chevy LS1, Set of 6

Part Number: ARP-244-2901

4.95 out of 5 stars ( 39 )

Estimated Ship Date: Today

Automatic Shifter, Winters Sidewinder, Forward Pattern Valve Body, Standard Gate, GM, TH350, Each

Part Number: WPP-157-1

4.92 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Transmission Pan, Deep, Aluminum, Natural, GM, 4L80E, 4L85E, Each

Part Number: FTI-F8013

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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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: Today

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

Part Number: ATI-915541

4.85 out of 5 stars ( 34 )

Estimated Ship Date: Today

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350HT

4.89 out of 5 stars ( 38 )

Estimated Ship Date: Today

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Master Cylinder, Aluminum, Black, .625 in. Bore, Universal, Kit

Part Number: WIL-260-10371

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

Automatic Transmission Rebuild Kit, Kolene Steels, GM, 700R4, Lockup, 30-Spline, Kit

Part Number: SUM-705023

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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