Performance & Replacement Transmission & Drivetrain Parts

Transmission Pan, Stock, Steel, Black Powdercoated, Finned, TH350, Buick, Chevy, GMC, Olds, Pontiac, Each

Part Number: SUM-G3885B

4.4 out of 5 stars ( 84 )

Estimated Ship Date: Today

Clutch Kit, RST Street Twin Power Pack, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Billet Aluminum Flywheel, Ford, 4.6L, 5.0L, 5.4L, Kit

Part Number: MCL-6335807

1.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Billet Servo, Low Gear, Billet Aluminum, Powerglide, Kit

Part Number: SOX-28821-10K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping
• $10 Summit Bucks

Bellhousing Adapter, Conversion, Cummins to GM, Billet Aluminum, 141-tooth Flexplate, 13 in. Diameter Torque Converter, Kit

Part Number: SUM-CSUM7738

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

• Free Shipping
• Special Order

Transmission Fluid Dipsticks, Midnight Series Flexible Braided Stainless, Firewall Mount, Case Entry, Black Tube, Black Handle, Chevy, 4L80E, Each

Part Number: LOK-XTD34L80FM36

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Buick, Olds, Pontiac, TH400, RWD, Each

Part Number: SUM-700401-1

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Rebuild Kit, Kolene Steels, GM, 4L60E, 30-Spline, Kit 93-03

Part Number: SUM-705025

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Controller, 4L80E, 4L85E, Chevy, Each

Part Number: NAL-19302410

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

Throwout Bearing,Hydraulic, 1200 Series, Ford, Each

Part Number: MCL-1200

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Kickdown Cables, 700R4 Adjustable TV Cables, Black Plastic Jacket, GM, 4L60/700R4, Each

Part Number: FTI-F7012

4.58 out of 5 stars ( 19 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Master Kit, Ford, 8.8 in., Kit

Part Number: MGR-R8-8RMK

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Today

Manual Shifter, Competition, Plus, Chevy, Muncie, BW, Each

Part Number: HUU-3917992

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Differential Cover, Aluminum, Natural, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Automatic Transmission Direct Drum, Iron, GM, 36 Element Sprag Assembly, TH350, Kit

Part Number: TCI-327900

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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GM NON LOCK-UP TH350, TH400 2800-3000 STALL

Part Number: FTI-SR3082

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Rag Joint, Steering, 3/4 in. 30-spline, 3/4 in. without Splines, Steel, Natural, Each

Part Number: DSR-090205DS

Not Yet Reviewed

Estimated Ship Date: Today

Yoke, 12-Bolt, Chromoly, GM 8.875 in. Differential, 30-Spline, Each

Part Number: STR-U1601

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900411

4.47 out of 5 stars ( 19 )

Estimated Ship Date: Today

• Free Shipping

Wheel Bearing and Hub Assemblies, Steel, Natural, Rear, Ford, Each

Part Number: MOG-512517

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

Wheel Bearing and Hub Assembly, Front, Dodge, Each

Part Number: TMK-HA590166

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Rebuild Kit, U-Build It, Steels, 4 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit

Part Number: FTI-F4019-4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Automatic Transmission, 500 hp/450 ft. lbs. Max, Level 3, 4R70W, RWD, 2,600 - 3,200 Stall, 2 Bolt Starter, Small Block Ford, Kit

Part Number: GES-GS4R702L3

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

• Core Charge $500.00
• Free Shipping
• Mfr. Rebate

$250.00 Mail-In Rebate

Price after Manufacturer Rebate: $6,845.00

Rebate Expires: 12/31/2025

Get $250 back after rebate on this Gearstar Transmission! Go to https://www.summitracing.com/go/ges to redeem offer. ...Read More

Get $250 back after rebate on a Gearstar Performance Level 3, Level 4, or Level 5 Transmission. Go to https://www.summitracing.com/go/ges to redeem offer. Valid on purchases made between 12/1/25 and 12/31/25. 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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Locking Hubs, Manual, Supreme, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Pair

Part Number: MMK-449SS

4.65 out of 5 stars ( 55 )

Estimated Ship Date: Today

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Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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