Performance & Replacement Transmission & Drivetrain Parts

Flexplate, Heavy-Duty, Steel, Internal Balance, 168 Tooth, SFI 29.1, Chevy, Each

Part Number: HAY-10-030

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Yoke, Slip, 32 Spline, Chromoly, Spicer 1350, 6.37 in. Length, Borg Warner/GM/Muncie/Saginaw, Each

Part Number: SOX-T332431CBHP

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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• $10 Summit Bucks

Transmission Dipstick, Braided Stainless Steel, Firewall Mount, Black Tube, Chevy, GMC, 6L80E, 6L90E, Each

Part Number: LOK-XTD36L80FM36

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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

Part Number: NAL-19302410

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Shifters, Automatic Transmission, Floor Mount, Cable Operated, Detent, Reverse Lockout, Horseshoe Knob, 4-speed Shifter Conversion, Chevy, Kit

Part Number: SIW-SW1011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Bellhousing, QuickTime, Steel, SFI Approved, Chevy, LS to Chevy LS T-56 Transmission, Kit

Part Number: QTI-RM-8020

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Automatic Transmission Shifter, Quicksilver, Cable Operated, Forward Pattern, Ratchet Style, 8.0 in. Long, 1/2 in.-20 Ball thread, Chevy, Pontiac,Each

Part Number: BMM-80688

4.19 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Servo, Super-Hold, 2nd Gear, Billet Aluminum, GM, 4L60, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77911-03K

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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• $10 Summit Bucks

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: Tomorrow

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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: Tomorrow

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: Tomorrow

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

Part Number: HUU-3917992

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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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
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• 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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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: Tomorrow

Torque Converters, Boss Hog LS Night Stalker Torque Converters, 2,200-2,800 RPM Stall Speed, 36 input Spline, 12.125 in. Bolt Circle, Chevy, Each

Part Number: APE-45412

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 4L80E, Each

Part Number: LOK-TD34L80FM

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Manual Transmission, Magnum-F, 6 Gears, 1.125 in. - 26-spline, 31-spline Output, 2.97:1 First Gear Ratio, Tremec Magnum, Chevrolet, Pontiac, Each

Part Number: REM-TUET16363

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Freight Charge

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

Part Number: MOG-512517

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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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: Tomorrow

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Clutch Kit, RXT 1200, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Billet Aluminum Flywheel, Chevy, Kit

Part Number: MCL-6305507HD

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Flywheel, Steel, 157-tooth, 17.500 lbs., External Engine Balance, SFI 1.1, Ford, Small Block Windsor, Each

Part Number: MCL-463150

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, 3.92:1 and Up Only, Dana 44, Each

Part Number: ETN-913A590

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Differential Cover, Aluminum, Natural, GM, 8.5/8.2 in., Kit

Part Number: MSR-7107

4.65 out of 5 stars ( 102 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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