Availability
1978 FORD THUNDERBIRD Differential & Rear-End Components
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12558
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 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12566
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 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12585
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 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12602
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 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12532
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Purple Aluminum Pinion Support for 9" Ford Daytona
Part Number: YGA-32036
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Purple Aluminum Pinion Supprt for 9" Ford Daytona
Part Number: YGA-32161
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Gear, Ring and Pinion, 6.00:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890600AX
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 6.20:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890620AX
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 6.33:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890633AX
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 6.50:1 Ratio, Ford, 9 in., Daytona Bearing, Set
Part Number: MGR-F890650AX
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
FRICTION PLT 9" FORD POSI
Part Number: MGR-C8OZ4A325B
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion-Ford 9
Part Number: MGR-F9-633A
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Gear, Ring and Pinion, 4.86:1 Ratio, Ford, 9 in., Set
Part Number: MGR-F9-486
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12561
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.00 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 28spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12567
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.25 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12588
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Differential Pinion Support, Aluminum, Daytona Style, Ford, 9 in., Each
Part Number: YGA-32037
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
USA Standard Master Overhaul kit for the Ford 9" LM603011 differential
Part Number: SPZ-37036
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ Daytona pinion support
Part Number: SPZ-37038
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, Long, Rear, Ford 9 in., Each
Part Number: SPZ-17021
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
9" Ford pinion kit, Koyo bearings.
Part Number: SPZ-60002
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Installation Kit, Master Overhaul, Ford 9 in., Kit
Part Number: YGA-14058
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Yukon Pinion install kit for Ford Daytona 9" differential
Part Number: YGA-13045
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Cross Shaft, Differential, Steel, Ford 9 in., with Mini-Spool, Each
Part Number: YGA-32235
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
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