Availability
1978 Transmission & Drivetrain
Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit
Part Number: MGR-MGK-227
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
DROPOUT ASSEMBLY
Part Number: YGA-13210
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Rear End Assembly, Grand National, Ford 9 in., 31-Spline Axles, 5 x 4.75 in. Pattern, G-Body Mounts, Kit
Part Number: SUM-CSUMCT006
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Magnum Force Clutch, Two Discs, 1.063 in. - 10-spline, Sintered Iron Disc, Pressure Plate, Billet Aluminum Flywheel, Ford, Kit
Part Number: MCL-651322-00-03
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.10 Down Ratio, Each
Part Number: YGA-34022
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each
Part Number: ETN-19659-010
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears and Installation Kit, 8.0" FORD 3.25 REAR R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI
Part Number: YGA-12521
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 8.0" FORD 3.80 REAR R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI
Part Number: YGA-12523
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Zip Locker, Air Locker, Dana 60/61, 35 Spline, 4.56 Up Ratio, Each
Part Number: YGA-34024
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
10" 4L80E BILLET COVER AND PISTON FOR 4L80E TRAN-MP FOR NON LS1-2500-2900 RPMS
Part Number: TOS-10091MPXLS
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2026 if ordered today
Estimated Ship Date: Jun 2, 2026 if ordered today
Automatic Transmission, Forward Shift Pattern, Automatic, Manual Valve Body, Chevy, TH350, Each
Part Number: HUP-35-1D
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Flywheel, Chevy, GMC, 400 Balance, Kit
Part Number: RAM-80-2140N
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential, Dana 30; Eaton Elocker ; 27 Spline; 1.16 in. Axle Shaft Diam; 3.54 And Dwn Rng Gear Pin Rat; Fr Dana 30; Fr Dana 30 Reverse;
Part Number: ETN-19817-020
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit
Part Number: MGR-MGK-233
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Pro Street Dual Disc, 1.000 in. - 23-spline, Organic Disc, Pressure Plate, Flywheel, Bristol, Chrysler, DeSoto, Dodge, Jensen, Plymouth
Part Number: RAM-60-2350
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Clutch Kit, Force 10.5 Dual Disc, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Flywheel, Chevy, GMC, Kit
Part Number: RAM-80-2122NS
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Yukon front 4340 Chromoly axle kit for '77-'91 GM, Dana 60 with 30/35 splines
Part Number: YGA-21394
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Clutch Kit, DYAD DS, Performance, Dual Disc, 26-Spline, 1.125 in. Diameter, 10.400 in. Disc Diameter, Organic/Carbon Composite, Billet Flywheel, Kit
Part Number: CTF-413614820
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Clutch Kit, Pro Street Dual Disc, 1.000 in. - 23-spline, Organic Disc, Pressure Plate, Flywheel, Bristol, Chrysler, DeSoto, Dodge, Jensen, Plymouth
Part Number: RAM-60-2330
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Differential, Select-A-Loc, 30-Spline, Dana 44, 10-Bolt, Each
Part Number: AUB-545042
Not Yet Reviewed
Estimated Ship Date: May 4, 2026 if ordered today
Estimated Ship Date: May 4, 2026 if ordered today
Differential, Eaton Elocker Dana 70 4.10 & Down 40 Spline
Part Number: ETN-14034-010
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Clutch Kit, Pro Street Dual Disc, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, 454 Balance, Kit
Part Number: RAM-60-2130
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Clutch Kit, Pro Street Dual Disc, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, GMC, Kit
Part Number: RAM-60-2120
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Clutch Kit, Pro Street Dual Disc, 1.187 in. - 18-spline, Organic Disc, Pressure Plate, Flywheel, Chrysler, Dodge, Plymouth, 7.2L, Kit
Part Number: RAM-60-2360S
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Clutch Kit, Pro Street Dual Disc, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Flywheel, Chevy, 454 Balance, Kit
Part Number: RAM-60-2130S
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 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