Transmissions

Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Chevy, Kit

Part Number: IST-EFKC2TKX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Clutch Kit, Centerforce II, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Jeep, 3.6L, Kit

Part Number: CTF-KCFT379176

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Clutch Kits, Twin Disc, 246mm, Cerametallic, Chromoly Flywheel, Chevrolet LS 6-bolt, 1250 lb.ft.Torque Capacity, Tremec T56 , TKO, Kit

Part Number: TIL-55-2004

Not Yet Reviewed

Estimated Ship Date: Today

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Automatic Transmission, 3-Speed, Ultra-Bell Bellhousing, Reverse Shift Pattern, Full Manual Valve Body, GM, TH400, Each

Part Number: FTI-TH400-45UB

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $350.00
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Clutch Kits, Quiet Street Dual Disc, 1.375 in. - 10-spline, Organic Disc, 12.250 in. Diameter, Pressure Plate, Flywheel, Dodge, 5.9L Diesel, Kit

Part Number: VAI-S0001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Torque Converter, Remanufactured Heavy-Duty, Stock Use, 36-spline Input, 12.500 in. Diameter, 6L80, 6L90, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: CCV-TQBU60HD

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Core Charge $150.00
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Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, TH350, Each

Part Number: TCI-311090

4.12 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Transmission Combo, ProFit, Tremec TKX, 5-Speed, 2.87:1 First Gear, 0.68:1 Fifth Gear, Ford, Cougar, Mustang 1965-73, Kit

Part Number: AWR-COFO-M1EX

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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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

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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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Clutch Kit, Street Dual, Clutch, Pressure Plate, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-SDD3250-5

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Clutch Kit, Dyna Max Organic, 10-Spline, 1.375 in. Diameter Shaft, 13 in. Dual Disc, Organic, Cummins Diesel, Kit

Part Number: SBB-SDD3250-6ORG

Not Yet Reviewed

Estimated Ship Date: Today

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Automatic Transmission, TH400 Level 4, Remanufactured, 3 Gears, Deep Pan, Torque Converter, Chevrolet, THM400, Kit

Part Number: FTI-TH400-4K51

Not Yet Reviewed

Estimated Ship Date: Today

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Automatic Transmission, Remanufactured, Super StreetFighter, Automatic, Manual Valve Body, Ford, C6, 351M, 400, 429, 460, Each

Part Number: TCI-411205

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Clutch Assembly, ST-246 Twin Disc, 9.7 in. Dia., Sprung Organic, w/Billet Flywheel, LS 6-bolt, 850 lbs.-ft. Capacity, Tremec T56 , TKO, Chevy, Kit

Part Number: TIL-55-1004

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Silver Sport EasyFit TREMEC TKX Install Kit 55-62 Corvette

Part Number: IST-EFKC1TKX

Not Yet Reviewed

Estimated Ship Date: Today

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Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic Valve Body, Chevy, 700R4, Each

Part Number: TCI-371038

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Clutch Kit, Dyna Max Organic, 10-spline, Organic Disc, Pressure Plate, Flywheel, Ford, 7.3L Diesel, Kit

Part Number: SBB-1944-60KHD

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Automatic Transmission, 4L80E, Level 3, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, GM, Early Case, Chevy, Each

Part Number: FTI-FT4L8-3E

Not Yet Reviewed

Estimated Ship Date: Today

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Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, Chevy, TH350, V8, Kit

Part Number: TCI-311090P1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Kit, 1.250 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Ford, 7.3L Diesel, Kit

Part Number: LUK-07-226

3.85 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Automatic Transmission, Forward Shift Pattern, Automatic, Manual Valve Body, Chevy, TH350, Each

Part Number: HUP-35-1D

Not Yet Reviewed

Estimated Ship Date: Today

• Core Charge $200.00
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Clutch Kit, 11.000 in. Diameter, Heavy Duty, Full Face Disc, Pro-Mass Flywheel, Jeep, Kit

Part Number: ACL-JP6-HDSS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Manual Transmission and Installation Kit Combo, EasyFit Tremec TKX, 5 Gears, 1.125 in. - 26-spline, 31-spline Output, Crossmember, Mount, Ford, Kit

Part Number: IST-EFKM23TKX

Not Yet Reviewed

Estimated Ship Date: Today

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Clutch Kit, Dyna Max Organic, 1.250 in. - 10-spline, Organic Disc, Pressure Plate, Ford, 7.3L Diesel, Kit

Part Number: SBB-1944-5OKHD

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Dec 23, 2025 if ordered today

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