Jetuplusllc 9 Inch Ford Pinion Bearing Spacer Kit 9190920 — Black-Oxide Solid Spacer + 5 Shims for Accurate Preload

Jetuplusllc’s 9 Inch Solid Pinion Bearing Spacer Kit (PN 9190920) is a black-oxide spacer and shim set engineered to set and retain correct pinion preload for Ford 9" rear axles, including Grand National applications.

This kit supplies a solid pinion bearing spacer finished in black oxide plus five 1.62" O.D. shims to help you establish accurate pinion depth and preload on Ford 9" differentials. Designed for rear-axle installations, the spacer can remain in place if the carrier is removed for service, simplifying reassembly and reducing the need for repeated measurement. The parts are new from the manufacturer and intended for solid pinion-bearing setups where a durable, reusable spacer and shim stack are required.

How will this spacer and shim kit affect my Ford 9" pinion preload?

The kit gives you a fixed spacer and a set of shims to precisely set pinion bearing preload and maintain consistent bearing engagement. Using the spacers and shims together lets you dial in preload without relying on crush sleeves or guesswork, improving repeatability during installation or rebuilds.

• Includes a black-oxide solid spacer sized for Ford 9" solid pinion bearings.
• Five 1.62" O.D. shims allow incremental adjustment of preload.
• Helps maintain correct bearing preload over repeated service cycles.

Will these parts fit my vehicle and how do I confirm compatibility?

This kit is specified for Ford 9" rear axles and Grand National differentials that use a solid pinion bearing spacing arrangement. Confirm compatibility by matching the manufacturer part number 9190920, verifying a 1.62" shim outer diameter, and checking your axle uses a solid (non-crush sleeve) pinion spacer system.

• Manufacturer Part Number: 9190920 for accurate lookup.
• Shim O.D.: 1.62" — match to your existing shims or service manual.
• Intended for rear axle installations on Ford 9" and compatible Grand National setups.

How do the materials and finish affect installation and longevity?

The spacer is finished in black oxide to resist surface corrosion and reduce galling during assembly. The finish provides a protective layer while the solid spacer design reduces dependency on disposable components, so the spacer can be reused if the carrier is removed for service.

• Black-oxide finish offers basic corrosion resistance and smoother assembly.
• Solid spacer construction built for reusability during carrier disassembly.
• New manufacturer-supplied parts ensure consistent dimensions and fitment.

What tools or steps are needed to install this kit correctly?

Installation typically requires standard differential service tools: bearing preload gauge, torque wrench, appropriate sockets, and possibly a press or driver to seat bearings. Accurate measurement of shim stack thickness and bearing preload is critical—use manufacturer torque and preload specs or a trusted shop manual for your axle.

• Use a dial indicator or torque-based preload method per axle specs.
• Stack shims incrementally until target preload or bearing endplay is achieved.
• Verify fitment with part number 9190920 and 1.62" shim O.D. before assembly.

Who is this for: This spacer and shim kit is aimed at mechanics, restorers, and performance builders working on Ford 9" rear differentials or Grand National rear ends that use a solid pinion spacer system. If you need a reusable, correctly sized spacer with a selection of shims to set pinion preload accurately—especially during rebuilds or when removing the carrier—this kit provides a manufacturer-new option with clearly defined dimensions.