Availability
1978 Transmission & Drivetrain
Torque Converter, Holeshot, 2,300-2,500 rpm Stall Range, Ford, C-4, 26 Spline, Each
Part Number: BMM-50451
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Differential, Lock-Right, Locker, 30-Spline, Toyota, 8.875 in., Each
Part Number: PWT-1630-LR
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit
Part Number: HAY-83-1100
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Axle Upgrade Combo, Dana 60, 35 Spline, Spicer U-Joints, Spicer Front Outter Axle Shafts, Manual Hubs, Kit
Part Number: CMB-35-0001
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Differential, Posi Performance, Limited Slip, 30-Spline, 2.76-3.42 Gear Ratios, GM, 12-Bolt, Each
Part Number: HUU-02-124
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Differential, Posi Performance, Limited Slip, 26-Spline, GM, 7.5 in., Each
Part Number: ETN-19663-010
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Gear, Ring and Pinion, 6.17:1 Ratio, Dana 60, Set
Part Number: RMG-7900411
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set
Part Number: RMG-49-0009-1
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Allstar Performance Ring and Pinion Gear Sets ALL70117 GM 7.5 in. 4.10 Gears
Estimated Ship Date: Monday 3/2/2026
Flywheel, Billet Aluminum, 168-Tooth, Internal Engine Balance, SFI 1.1, Chevy, Each
Part Number: CTF-901120
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Automatic Transmission Valve Body, Full Manual, Billet Aluminum, TH400, Each
Part Number: ATI-403091
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Yukon hardcore drive flange kit for Dana 60, 30 spline outer stubs. Yukon engraved caps.
Part Number: YGA-29067
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Bellhousing, Aluminum, Natural, Mopar, Big Block B/RB, A833, Tremec TKO/TKX, Kit
Part Number: LAK-LK6000K
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Clutch Kit, Dual Friction, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Pontiac, Kit
Part Number: CTF-DF161739
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Gear, Ring and Pinion, 5.14:1 Ratio, Ford, 9 in., Set
Part Number: RMG-79-0017-1
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Gear, Ring and Pinion, 5.38:1 Ratio, Dana 60, Set
Part Number: RMG-7900131
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Differential, Auburn, Grip-N-Loc, Limited Slip, 30-Spline, Chevrolet, Dodge, Ford, Jeep, Dana 44, Each
Part Number: AUB-546083
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5 in/8.6 in., Set
Part Number: MGR-GM10-308
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Differential Carrier Rebuild Kit, GM 10.5 in. (14-Bolt), Rear, Open Carrier, Dura Grip, Chevy, GMC, Kit
Part Number: YGA-16167
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Ring and Pinion Gears, 3.90:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set
Part Number: YGA-24159
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Clutch Kit, Dual Friction, 1 1/16 in. Diameter Shaft, 10-Spline, 10.4 in. Diameter Disc, Jeep, Kit
Part Number: CTF-DF180675
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit
Part Number: HAY-92-1102
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Clutch Kit, Dual Friction, 1 in. Diameter Shaft, 23-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit
Part Number: CTF-DF070800
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set
Part Number: MGR-GM10-273
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Bellhousing, Steel, Black, SFI 6.1, Chevy SB/BB to Chevy LS T-56 Transmission, 5.950 in. Depth, Kit
Part Number: SUM-7001100
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Ring and Pinion Gears, 3.54:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set
Part Number: YGA-24018
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster