Performance & Replacement Transmission & Drivetrain Parts

Lexus SC with T56/LS1 3-IN. Steel Driveshaft with Conversion Plate

Part Number: SKM-SKTOSH2-S

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Bellhousing, Steel, Black, SFI 6.1, Chevy SB/BB to Chevy LS T-56 Transmission, 6.320 in. Depth, Kit

Part Number: SUM-7001102

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Hydraulic Clutch Remote Bleeders, T56 Speed Bleeder Line Assembly, Kit

Part Number: SKM-T56-SB

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

Bellhousing, Steel, Black, SFI 6.1, Chevy, LSX/LT to TKX / Muncie/T-10, Manual Transmission, Kit

Part Number: SUM-7001103

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Estimated Ship Date: Monday 12/1/2025

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Bellhousing Adapter, Conversion, Cummins to GM, Billet Aluminum, 141-tooth Flexplate, Kit

Part Number: SUM-770380

3.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/1/2025

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Automatic Transmission, Up to 600 hp Max, Level 4, 6L80E, RWD, 2,800 Stall Converter, LS Bellhousing, Chevrolet, Kit

Part Number: GES-GS6L80L4

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Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $650.00
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• $100 Summit Bucks
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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: Monday 12/1/2025

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Bellhousing Adapter, Aluminum, Chevy LS Engine to Nissan CD001 - CD009 Transmission, Nissan, Infiniti, Each

Part Number: SKM-TAK-CD

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Automatic Transmission Kickdown Kit, Carburetor/Fuel Injection, Buick, Chevy, Oldsmobile, Pontiac, TH350, Kit

Part Number: BMM-30287

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/1/2025

Transmission Adapter Plates, Steel, Black Painted, T-56 Transmission, Chevy, GMT-400 Platform, Gen III/IV LS Engines, Each

Part Number: HOK-BHS565

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Flexplate, One-piece, Steel, 8-bolt, Internal Engine Balance, Chevrolet, Each

Part Number: ICB-551838-LT01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/1/2025

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Axle Shaft, Direct Fit, 1541H Alloy Steel, 30-Spline, 33.000 in. Length, Chevy, GMC, Each

Part Number: MGR-MG27137

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Estimated Ship Date: Dec 17, 2025 if ordered today

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Axle Shaft, Direct Fit, 1541H Alloy Steel, 28-Spline, 32.000 in. Length, Chevy, Pontiac, Each

Part Number: MGR-MG27136

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 17, 2025 if ordered today

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GM 6L80E four wheel/ all wheel drive 6 speed overdrive transmission designed for LS engines. Level 3

Part Number: GES-GS6L804X4L3

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Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $650.00
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GM 6L80E two wheel drive 6 speed overdrive transmission designed for LS engines. Level 3

Part Number: GES-GS6L80L3

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Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $650.00
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GM 6L90E four wheel drive 6 speed overdrive transmission designed for LS engines. Level 4

Part Number: GES-GS6L904X4L4

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Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $850.00
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GM 6L90E two wheel drive 6 speed overdrive transmission designed for LS engines. Level 4

Part Number: GES-GS6L90L4

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Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $850.00
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GM 6L80E four wheel/ all wheel drive 6 speed overdrive transmission designed for LS engines. Level 4

Part Number: GES-GS6L804X4L4

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $650.00
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Kickdown Cable, Buick, Chevy, TH350, Kit

Part Number: ADD-716138-KD1

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Monday 12/1/2025

Axle Shaft, Direct Fit, 1541H Alloy Steel, 30-Spline, 33.625 in. Length, Cadillac, Chevy, GMC, Each

Part Number: MGR-MG27129

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Estimated Ship Date: Dec 11, 2025 if ordered today

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Axle Shaft, Direct Fit, Gm 8.625 in., 34.09 in. Length, 30 Spline, 6 x 5.5 in. Bolt Pattern, Rear, Cadillac, Chevrolet, GMC, Each

Part Number: MGR-MG27132

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Shifters, Automatic Transmission, Quick Silver, Ratchet Shifter, 12.23 in. Long Chrome Stick, Black/Chrome Plastic Console, GM, Mopar, Ford, Kit

Part Number: BMM-80683

4.52 out of 5 stars ( 99 )

Estimated Ship Date: Monday 12/1/2025

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GM 6L90E four wheel drive 6 speed overdrive transmission designed for LS engines. Level 3

Part Number: GES-GS6L904X4L3

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $850.00
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• $100 Summit Bucks
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GM 6L90E two wheel drive 6 speed overdrive transmission designed for LS engines. Level 3

Part Number: GES-GS6L90L3

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Core Charge $850.00
• Free Shipping
• $100 Summit Bucks
• Special Order