1978 Transmission & Drivetrain

Torque Converter, Twister, 2,800-3,200 rpm Stall, 26-Spline, Ford, C-4, Pan Fill, Each

Part Number: HAY-97-2C28Q

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Flywheel, Steel, 153-Tooth, 30 lb., Internal Balance, Chevy, Big, Small Block, Each

Part Number: HAY-10-330

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 20, 2026 if ordered today

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Ring and Pinion Gears, GM 10.5 in. (14-bolt), 3.21:1 Ratio, 30-spline, Standard Ring Gear Rotation, Rear, Chevrolet, GMC, Set

Part Number: YGA-24465

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Flywheel, Steel, 166-Tooth, 30 lb., Internal Engine Balance, Pontiac, V8, Each

Part Number: HAY-13-130

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Mar 20, 2026 if ordered today

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Gear, Ring and Pinion, 5.38:1 Ratio, Dana 60, Reverse Cut, Set

Part Number: MGR-D60-538XF

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Ring & Pinion Gear, 3.00 Ratio, Ford, 9.0 in. Rear, Set

Part Number: YGA-24363

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, Dana 60, Set

Part Number: MGR-D60-456

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Gear, Ring and Pinion, 4.88:1 Ratio, Dana 60, Reverse Cut, Set

Part Number: MGR-D60-488XF

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 29-spline, Reverse Ring Gear Rotation, Dana 60, Set

Part Number: YGA-24070

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Ring and Pinion Gears, 4.56:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: YGA-24061

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Ring and Pinion Gear, 2.73:1 Ratio, GM 8.5/8.6, 10 Bolt Cover, 30 Spline, 10 Ring Gear Bolts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: YGA-24490

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Estimated Ship Date: Mar 31, 2026 if ordered today

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Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Truck, Front, Each

Part Number: ETN-912A557

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Axle Shafts, Front, Inner and Outer, Birfield Joint, 4340 Chromoly, Toyota, Kit

Part Number: LSA-303402-1-KIT

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Axle Housing, Circle Track, Grand National, Ford 9 in., Fabricated, Mild Steel, 60 in Length, Each

Part Number: PE2-HNM300300

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19610-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 24, 2026 if ordered today

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Differential, Grip LS Traction System, 31-Spline, Ford, 9 in., Each

Part Number: PWT-LS109031

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Automatic Transmission Valve Body, Full Manual, Billet Aluminum, TH400, Reverse Pattern, Each

Part Number: ATI-403087

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, 1.703 in. Crank Pilot Diameter, 30-spline, 9.600 in. Diameter, TH350, 2,800 rpm Advertised Flash Stall, Each

Part Number: HAY-97-1B28Q

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential, Grip Pro Traction System, 27-Spline, Dana 35, Each

Part Number: PWT-GT443527

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Axle Upgrade Combo, Dana 60, 35 Spline, Spicer Greasable U-Joints, Spicer Axle Shafts, Manual Hubs, Kit

Part Number: CMB-35-0002

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Differential Carrier, Spartan Locker, Steel, 30-spline, Rear, GM 8.5 in., Each

Part Number: SPZ-17041

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Gear, Ring and Pinion, 4.11:1 Ratio, 1.750 in. Pinion, 29 Spline, 10.250 in. Ring Gear, Dana 70, Set

Part Number: YGA-24074

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Axle Shafts, Rear, 29-spline Inner, Bolt-in, 1541H Alloy Steel, Bearings, AMC Model 20, Jeep, 4WD, Kit

Part Number: YGA-21392

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Hydraulic Clutch Kit 1973 1984 Chevy K10 with Tremec TR-4050

Part Number: IST-HGK1034WD

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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