Availability
1978 FORD THUNDERBIRD Yukon Gear & Axle Parts and Accessories
Flat side gear without hub for 8" and 9" Ford with 28 splines.
Part Number: YGA-16164
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12541
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Yukon Dropout Assembly
Part Number: YGA-13229
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Differential Carrier, Grizzly Locker, Rear, Ford 9 in., 31-spline, Each
Part Number: YGA-28010
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 4.30 ratio(
Part Number: YGA-24377
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 5.67 ratio
Part Number: YGA-24389
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.20 ratio
Part Number: YGA-24394
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.33 ratio
Part Number: YGA-24395
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Ford 9" pinion Support, 35 spline, 10 hole, NO races included.
Part Number: YGA-32165
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Spool, Steel, 35 Spline, Ford 9 in., Each
Part Number: YGA-32047
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Spool, Full, 35-spline, Steel, Ford 9 in., Each
Part Number: YGA-32098
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
DROPOUT ASSEMBLY
Part Number: YGA-13209
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12529
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12531
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12536
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12543
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12544
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12545
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.50 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12570
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12575
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12577
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.56 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12582
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD REAR 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12530
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
9" FORD X/PIN SHAFTS + BLOCK, 4 PINION DESIGN, STD or T/L
Part Number: YGA-33333
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Roll Pin, Steel, 0.260 in. Diameter, Each
Part Number: YGA-33334
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 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