1978 Transmission & Drivetrain

Locking Hubs, Manual, Premium, Aluminum, Chrome, Black Dial, Chevy, Dodge, Ford, International, Jeep, Dana 44, Pair

Part Number: WRN-20990

4.44 out of 5 stars ( 95 )

Estimated Ship Date: Friday 1/2/2026

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Flywheel, Cast Iron, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, Small Block, Each

Part Number: SUM-700080

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Friday 1/2/2026

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Flexplate, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Chevy, V8, Each

Part Number: TCI-399273

4.34 out of 5 stars ( 58 )

Estimated Ship Date: Friday 1/2/2026

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Flywheel, Cast Iron, 157-tooth, External, 28 oz. Imbalance, 10.5 in. Stock Style Clutch, Ford, 289, 302, Each

Part Number: SUM-700088

4.0 out of 5 stars ( 17 )

Estimated Ship Date: Friday 1/2/2026

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

Part Number: SUM-700170X

3.17 out of 5 stars ( 6 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission Rebuild Kit, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705000

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Friday 1/2/2026

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Ring and Pinion Installation Kit, GM, 8.5 in., 8.6 in., 10-Bolt, Spline Pinion, Kit

Part Number: RMG-8310211

4.25 out of 5 stars ( 40 )

Estimated Ship Date: Friday 1/2/2026

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Transmission Dipstick, Braided Stainless Steel Tube, Flexible, Aluminum Handle, Firewall Mount, TH350, TH400, Each

Part Number: LOK-TD-3350400FM

4.68 out of 5 stars ( 88 )

Estimated Ship Date: Friday 1/2/2026

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Flexplate, Chevy, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, Each

Part Number: ATI-915541

4.85 out of 5 stars ( 34 )

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Organic Disc, 11 in. Diameter, 1-1/8 in. Shaft, 26-Spline, Buick, Chevy, Olds, Pontiac, Kit

Part Number: SUM-700808

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Friday 1/2/2026

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Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-411A

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Friday 1/2/2026

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Differential Cover, Ford 9.75 in. Axle, Nodular Iron, Silver Hammertone Powedercoated, Each

Part Number: SDH-10023539

4.61 out of 5 stars ( 38 )

Estimated Ship Date: Friday 1/2/2026

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Ring and Pinion Installation Kit, Master Kit, GM 8.5 in., Kit

Part Number: MGR-R10RMK

4.29 out of 5 stars ( 17 )

Estimated Ship Date: Friday 1/2/2026

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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 ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Locking Hubs, Manual, Supreme, Stainless Steel, Polished, Chevy, Dodge, Ford, GMC, Jeep, Plymouth, Pair

Part Number: MMK-104

4.76 out of 5 stars ( 58 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, Ford, Lincoln, Mercury, C-6, Kit

Part Number: LOK-KD-20C6HT

4.73 out of 5 stars ( 30 )

Estimated Ship Date: Friday 1/2/2026

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Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH400, Kit

Part Number: LOK-KD2400HT

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Friday 1/2/2026

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Organic, 1-1/8 in. Shaft, 10-Spline, 12 in. Diameter Disc, GM, Chevy, Kit

Part Number: SUM-700810

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Friday 1/2/2026

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Differential Cover, Cap Support, Aluminum, Black, Perfect Launch Logo, GM, 8.2 in., 8.5 in., Each

Part Number: PRO-66668

4.32 out of 5 stars ( 50 )

Estimated Ship Date: Friday 1/2/2026

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Locking Hubs, Manual, Supreme, Chrome, Jeep, International, Pair

Part Number: MMK-457

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Friday 1/2/2026

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Flywheels, OE Replacement, Cast Iron, 168-tooth, 30 lbs., External Engine Balance, Chevy, Big Block, Each

Part Number: SUM-700096

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Gear, Ring and Pinion, 3.73 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-373

4.74 out of 5 stars ( 19 )

Estimated Ship Date: Friday 1/2/2026

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Clutch Kit, Organic, 1-1/8 in. Shaft, 10-Spline, 11 in. Diameter Disc, GM, Chevy, Kit

Part Number: SUM-700802

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Friday 1/2/2026

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