Performance & Replacement Transmission & Drivetrain Parts

Shift Kit, Zip Kit, Chevy, Kit

Part Number: SOX-6L45-6L90ZIP

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

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Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85373

4.09 out of 5 stars ( 11 )

Estimated Ship Date: Monday 7/21/2025

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Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Nodular Iron, Rear, GM 8.875 in. (12-bolt) Truck, Chevy, GMC, Each

Part Number: YGA-26052

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

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Locking Hubs, Manual, Premium, Steel, Black, Black Dial, Ford, F-250/F-350/F-450/F-550 Super Duty, Pair

Part Number: WRN-95060

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 7/21/2025

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Ring and Pinion Gears, GM 8.875 in. (12-bolt), Truck, 3.73:1 Ratio, 30-spline, Standard, Designed for Carrier Cases with A 3.73 and Up Gear Ratio, Kit

Part Number: YGA-10627

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

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Torque Converter, Breakaway, Chevy, TH350/TH400, Each

Part Number: TCI-240900

4.29 out of 5 stars ( 24 )

Estimated Ship Date: Monday 7/21/2025

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Separator Plate, Engine to Bellhousing, Steel, Natural, 0.048 in. Thick, Ford, SBF, 157/164-Tooth Flywheel/Flexplate, Each

Part Number: SUM-700600

4.39 out of 5 stars ( 72 )

Estimated Ship Date: Monday 7/21/2025

Clutch Kit, Organic/Feramic, Clutch, Pressure Plate, Flywheel, Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-G56-OFEK

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 7/21/2025

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Shift Linkage, Billet Aluminum, Column Arm, 700R4, 4L60, Each

Part Number: LOK-ACA-1811

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 7/21/2025

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Master Cylinder, Aluminum, Black, .750 in. Bore, Universal, Kit

Part Number: WIL-260-10372

4.33 out of 5 stars ( 30 )

Estimated Ship Date: Monday 7/21/2025

Manual Transmission, T-56 Super Magnum 6-Speed, 1.125 in. - 26-spline Input, 31-spline Output, Aluminum Case, Chevy, Each

Part Number: NAL-19352208

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

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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 7/21/2025

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Automatic Transmission, Up to 500 hp/500 ft. lbs, Rated Max, Level 3, 4L65E, RWD, 2,600 - 3,200 Stall, LS Bellhousing, Chevrolet, Kit

Part Number: GES-GS4L65EL3

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

• Core Charge $350.00
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• Mfr. Rebate

$200.00 Mail-In Rebate

Price after Manufacturer Rebate: $4,745.00

Rebate Expires: 9/30/2025

Get $200 back after rebate on this Gearstar Transmission! Go to https://www.summitracing.com/go/ges to redeem offer. ...Read More

Get $200 back after rebate on a Gearstar Performance Level 3 or Level 4 4L60/4L65/4L70E/4L80/4L85E Transmission! Go to https://www.summitracing.com/go/ges to redeem offer. Valid on purchases made between 7/1/25 and 9/30/25. Rebate submission must be postmarked within 30 days of purchase. Allow 2-4 weeks for processing. Rebate for end consumer only. Show Less

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Clutch Kit, Organic Disc, 11 in. Diameter, 1-1/8 in. Shaft, 26-Spline, Buick, Chevy, Olds, Pontiac, Kit

Part Number: SUM-700808

4.85 out of 5 stars ( 20 )

Estimated Ship Date: Monday 7/21/2025

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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 7/21/2025

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Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each

Part Number: ETN-912A317

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Monday 7/21/2025

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• $75.00 Summit Bucks

Clutch Kit, Street Extreme, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Buick, Chevy, Pontiac, Kit

Part Number: MCL-75324

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 7/21/2025

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GM TORQUE CONVERTER, 6L80E, 6L85E,6L90E TRIPLE CLUTCH 3600STALL

Part Number: FTI-SRL80086-3

Not Yet Reviewed

Estimated Ship Date: Monday 7/21/2025

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Torque Converter, Holeshot, 2,900-3,200 rpm Stall Range, GM, THM350/THM400, Each

Part Number: BMM-20483

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/21/2025

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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 7/21/2025

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U-Joint, Light Duty, Spicer 1350 Style, Steel, 4 Plain Bearing Cap Style, Each

Part Number: SDH-5-1350X

4.86 out of 5 stars ( 36 )

Estimated Ship Date: Monday 7/21/2025

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Dodge, Hemi Gen III, Kit

Part Number: RAM-50-2370

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/21/2025

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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: Monday 7/21/2025

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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: Monday 7/21/2025

Differential Carrier, Traction-Lok, 10 Cover Bolt, 30-spline, Dana Super 44, Rear, Jeep, Each

Part Number: SDH-2008571

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 7/21/2025

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