Performance & Replacement Transmission & Drivetrain Parts

Gear, Ring and Pinion, 3.90:1 Ratio, Ford, 8.8 in., Set

Part Number: MGR-F888390

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Feed Limit Low Valve Kit

Part Number: SOX-105740-54K

Not Yet Reviewed

Estimated Ship Date: Aug 29, 2025 if ordered today

• Special Order

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 12-Bolt Car, Set

Part Number: RMG-4900961

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Replacement Shifter Stick, Steel, Chrome, 11.16 in. Long, 3/8 in.-16 Thread, Each

Part Number: HUU-5386836

4.91 out of 5 stars ( 22 )

Estimated Ship Date: Today

• Free Shipping

Differential Covers, Differential Cover Kits, Dana 44, 10-bolt, Nodular Iron, Silver Hammertone Powdercoated, Bolts, Gaskets, Kit

Part Number: SDH-10023536

4.95 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Bellhousing, Manual, Cast Aluminum, Natural, GM 621, Chevy, SBC, BBC, Each

Part Number: MCL-8520

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Valve Body, Performance, Full Manual, Reverse Pattern, Chevy, TH350, Each

Part Number: TCI-321115

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Transmission Pan, Deep, Aluminum, Natural, Finned with Summit® Logo, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: SME-1001

4.49 out of 5 stars ( 43 )

Estimated Ship Date: Today

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Drive Shaft, Rear, 2-Piece, 64.00 in. Overall Length, 2.50 in. Diameter, Assembled, Dodge, Automatic Transmission, Each

Part Number: RNB-986-220

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Flexplate Dust Cover, Steel, Chrome, Chevy, TH350, TH400, 700R4, Each

Part Number: SUM-G3883

3.67 out of 5 stars ( 94 )

Estimated Ship Date: Today

Driveshaft, Chromoly, 1-Piece, Rear, 3.00 in. Diameter, 60 in. Length, Universal, Each

Part Number: STR-U1700T

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Oversize $7.99

Shifters, Automatic Transmission, Floor Mount, Cable Operated, Detent and Ratchet, Horseshoe Knob, 4-speed Shifter Conversion, 4L80E, Chevy, Kit

Part Number: SIW-SW1023R

Not Yet Reviewed

Estimated Ship Date: Today

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Flywheel, Billet Steel, 153-Tooth, Internal Engine Balance, 26.000 lbs., 2-Piece Rear Main Seal, SFI 1.1, Chevy, V8, Each

Part Number: RAM-1511

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Shifter Cable, Performance, 4 ft. Length, Morse Style, Eyelet/Threaded Ends, Red, Each

Part Number: BMM-80604

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Today

Transmission Yoke, Chromoly, Case Hardened, 1350, 32 Spline, GM, Each

Part Number: STR-U1664N

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Flexplate Bolts, Hex, 7/16 in.- 20 RH, .688 in. Length, Stainless Steel, Black Oxide, Chevy, Ford, Set of 6

Part Number: SUM-910219

4.9 out of 5 stars ( 30 )

Estimated Ship Date: Today

Clutch Kit, Dual Friction, 1.125 in. - 10-spline, Organic/Carbon Composite Disc, Pressure Plate, Chevy, GMC, Kit

Part Number: CTF-KDF240916

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Flywheel, Steel, 184-Tooth, 29 lb., Internal Engine Balance, Ford, Big Block FE, Each

Part Number: FMS-M-6375-N427

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Governor Recalibration Kit, TH350, TH400, 700R4, Kit

Part Number: SUM-700316

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Clutch Kit, Dual Friction, 26-spline, 10.40 in. Disc Diameter, Pressure Plate, Ford, Kit

Part Number: CTF-KDF113014

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Clutch Kit, Muscle Car, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Buick, Chevy, GMC, Oldsmobile, Pontiac

Part Number: RAM-92764

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Special Offer!
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Shifter Installation Kit, Competition Plus, Top Loader, 433, Ford, Mercury, Kit

Part Number: HUU-3735587

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Wheel Bearings, Front, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: RSD-WBK01C

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

Governor, TH350, TH350C, Each

Part Number: SOX-350

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Bellhousing, Non-SFI, New, Aluminum, Natural, Tremec, Chevrolet, GMC, Pontiac, Each

Part Number: MCL-8500

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping