Transmissions & Transmission Parts

B&M Shift Improver Kits 30262

Shift Improver, Chevy, TH350, Each

Part Number: BMM-30262

4.73 out of 5 stars ( 26 )

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Summit Racing™ Torque Converter Upgrade Pro Packs 13-0028

Combo, B & M Performance, Torque Converter, 2,800 RPM Stall, Chevy, TH350, Dipstick, Deep Pan, Fluid, Kit

Part Number: CMB-13-0028

Not Yet Reviewed

Cannot be shipped Internationally

Not Available

B&M Shift Improver Kits 20260

Transmission Upgrade Kit, Shift Improver, GM, TH400, TH375, M40, Each

Part Number: BMM-20260

4.81 out of 5 stars ( 16 )

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B&M Shift Improver Kits 70239

Transmission Upgrade Kit, Shift Improver, GM, 700R4, 4L60, Each

Part Number: BMM-70239

4.65 out of 5 stars ( 20 )

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B&M Shift Improver Kits 40262

Transmission Upgrade Kit, Shift Improver, Ford, C-6, Each

Part Number: BMM-40262

4.75 out of 5 stars ( 8 )

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B&M Shift Improver Kits 50262

Transmission Upgrade Kit, Shift Improver, Ford, C-4, Each

Part Number: BMM-50262

2.33 out of 5 stars ( 6 )

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B&M Shift Improver Kits 10226

Shift Improver, Chrysler, 727, A-904, Each

Part Number: BMM-10226

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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B&M Shift Improver Kits 20261

Transmission Upgrade Kit, Shift Improver, GM, TH400, 3L80, Each

Part Number: BMM-20261

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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B&M Shift Improver Kits 50260

Transmission Upgrade Kit, Shift Improver, Ford, C-4, Each

Part Number: BMM-50260

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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B&M Shift Improver Kits 35265

Transmission Upgrade Kit, Shift Improver, GM, 200-4R, Each

Part Number: BMM-35265

5.0 out of 5 stars ( 2 )

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B&M Transpak Kits 30228

Transmission Upgrade Kit, Transpak, GM, TH350, TH375B, M38, Each

Part Number: BMM-30228

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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B&M Transpak Kits 70235

Transmission Upgrade Kit, Transpak, GM, 700R4, 4L60, Each

Part Number: BMM-70235

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Today

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B&M ShiftPlus Electronic Shift Improver Kits 70380

Shift Improver, ShiftPlus Electronic, GM 4L60E, 4L80E, Each

Part Number: BMM-70380

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

B&M Transpak Kits 10228

Shift Kit, Transpak, Chrysler, 727, A-904, Each

Part Number: BMM-10228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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B&M Transpak Kits 20228

Transmission Upgrade Kit, Transpak, GM, TH400, TH375, M40, Each

Part Number: BMM-20228

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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B&M Transpak Kits 40227

Transmission Upgrade Kit, Transpak, Ford, AOD, Each

Part Number: BMM-40227

5.0 out of 5 stars ( 1 )

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B&M Transpak Kits 40228

Transmission Upgrade Kit, Transpak, Ford, C-6, Each

Part Number: BMM-40228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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B&M Transpak Kits 50229

Transmission Upgrade Kit, Transpak, Ford, C-4, Each

Part Number: BMM-50229

Not Yet Reviewed

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B&M Transpak Kits 30235

Transmission Upgrade Kit, Transpak, GM, TH350C, Each

Part Number: BMM-30235

Not Yet Reviewed

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B&M Street and Strip Transmissions 118001BM

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevrolet, 4L80E, Each

Part Number: BMM-118001BM

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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B&M Street and Strip Transmissions 117308

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 4L60E, RWD, Each

Part Number: BMM-117308

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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B&M Street and Strip Transmissions 118002BM

Automatic Transmission, Street and Strip, Automatic Valve Body, Forward Shift Pattern, Chevy, GMC, 4L80E, RWD

Part Number: BMM-118002

3.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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B&M PreRunner/Trail Transmissions 117309

Automatic Transmission, Forward Shift Pattern, Manual Valve Body, Chevrolet, 4L60E, Each

Part Number: BMM-117309

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

B&M Transkits 30229

Automatic Transmission Rebuild Kit, TransKit, GM, M38, TH350, TH375B, Kit

Part Number: BMM-30229

4.33 out of 5 stars ( 27 )

Estimated Ship Date: Today

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B&M Governor Recalibration Kits 20248

Governor Recalibration Kit, GM, TH350, TH400, 700R4, Weights, Springs, Seal, Kit

Part Number: BMM-20248

4.65 out of 5 stars ( 34 )

Estimated Ship Date: Today

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B&M Vacuum Modulators 20234

Vacuum Modulator, TH350, TH400 Transmission, Each

Part Number: BMM-20234

4.9 out of 5 stars ( 29 )

Estimated Ship Date: Today

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