Availability
1966 FORD MUSTANG Differential & Rear-End Components
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 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 31spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12538
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12564
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 3.89 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 3.062" DO/ DAYTONA PS)
Part Number: YGA-12598
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 28spl T/L POSI (2.89" DO/ OE SUPPORT)
Part Number: YGA-12525
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Differential Carrier, Spartan Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each
Part Number: SPZ-17042
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Axle Differential Case, Ford 9 in., Aluminum, 3.062 in. Bearing Bore, 28, 31, 33 Spline, Each
Part Number: YGA-32034
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Differential Carrier Rebuild Kits, Spider Gear Kit, Spider Gears, Side Gears, Thrust Washer, Cross Shaft Pin, Ford, 9 in., 31 Spline Axles, Kit
Part Number: YGA-16034
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Ring and Pinion Gears, 4.11:1 Ratio, 25-spline, Standard Ring Gear Rotation, Ford 8 in., Set
Part Number: SPZ-36119
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
STAR washers, 3.250" Yukon Ford 9" Drop Out new design ONLY.
Part Number: YGA-32144
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, Short, Rear, Ford 9 in., Each
Part Number: SPZ-17022
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Ring and Pinion Installation Kit, Complete, Ford 8 in., Rear, Kit
Part Number: RMG-XL-1014-1
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Ford 8 in., Rear, Kit
Part Number: MGR-RA310RT
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Support Block Differential Pin
Part Number: MGR-D3SZ4211A
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 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: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
USA standard ring & pinion gear set for Ford 9" in a 6.00 ratio.
Part Number: SPZ-36150
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
High performance Yukon Ring & Pinion gear set for Ford 9" in a 6.00 ratio
Part Number: YGA-24392
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Yukon Grizzly locker for Ford 9" differential with 35 spline axles, racing design
Part Number: YGA-28027
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Ring and Pinion Gears and Installation Kit, 9.0" FORD 4.11 RATIO R&P GEAR/ INSTALL KIT PACKAGE; WITH 31spl T/L POSI (FITS 2.89" DO/ DAYTONA PS)
Part Number: YGA-12565
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 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 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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