Performance & Replacement Transmission & Drivetrain Parts

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 12/22/2025

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Differential, Eaton Detroit Truetrac, Limited Slip, 28-Spline, Ford, 8 in., Each

Part Number: ETN-912A616

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/22/2025

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Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 2,200-2,800 Stall, GM, 700R4, 200-4R, Each

Part Number: APE-48402

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Shifter, Hammer Shifter, Chevy, Mopar, Ford, Each

Part Number: BMM-80885

4.43 out of 5 stars ( 63 )

Estimated Ship Date: Monday 12/22/2025

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GM TORQUE CONVERTER, 4L80E, 4L85E, LS MOTOR, TRIPLE CLUTCH 2800-3000 STALL

Part Number: FTI-SRLS43082-3

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Bellhousing, Chevy Big/Small Block/LS/4.3L V6 to Reid Superglide Case, SFI 30.1 Certified, Aluminum, Each

Part Number: REI-BH001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: SOX-HP-4L60E-01

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping
• $10 Summit Bucks

Transmission Dipstick, Braided Stainless Housing, Aluminum, Black Anodized Handle, 6L80E, Each

Part Number: LOK-XTD-36L80FM

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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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 12/22/2025

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Driveshaft Assembly, Rear, Balanced, One-piece, Aluminum, 3.5 in. Diameter, Ford, Modular, Manual, Each

Part Number: FMS-M-4602-MGTM

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

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Automatic Shifter, Z-Gate, Black, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-81681

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Shifter, Megashifter, Chevy, Pontiac, Each

Part Number: BMM-80694

4.4 out of 5 stars ( 25 )

Estimated Ship Date: Monday 12/22/2025

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Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 1,600-2,200 Stall, GM, 700R4 , Each

Part Number: APE-48441

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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Clutch Kit, Street Twin, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Kit

Part Number: MCL-6400107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission Valve Body, Heavy-Duty Remanufactured, Automatic Style, Cast Aluminum, Forward Shift Pattern, 4L60-E/4L65-E, Chevrolet, Kit

Part Number: SOX-GM054-HD

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

• Core Charge $50.00
• Free Shipping
• $10 Summit Bucks

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: Monday 12/22/2025

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Locking Hubs, Manual, Supreme, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: MMK-104

4.76 out of 5 stars ( 58 )

Estimated Ship Date: Monday 12/22/2025

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Differential, Eaton Detroit Truetrac, Limited Slip, 34-Spline, 3.31:1 and Higher Only, Ford 8.8, Each

Part Number: ETN-917A739

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Clutch Kit, Super StreetPro, Organic, Ceramic, 1 1/8 in. Diameter Shaft, 26-Spline, 12 in. Diameter Disc, Kit

Part Number: MCL-75257

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Clutch Kits, Street Dual Disc, 1.375 in. - 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, Ram, L6 Diesel, Kit

Part Number: VAI-S0017

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: SUM-7001111

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

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Flywheels, OE Replacement, Nodular Iron, 153-tooth, 16 lbs., 6-bolt, External Engine Balance, Chevy, Pontiac, Each

Part Number: SUM-700094

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

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Servo, Externally Adjustable Low/Reverse, Aluminum, Blue Anodized, GM, TH400, Kit

Part Number: SOX-34914-20K

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• Free Shipping
• $10 Summit Bucks