TSR "Pro Built" AE B44.3 FT Pro Spec Center Machined Gear Differential Plus TSR Custom Build Service OS111002-B44.3-C-PS-PBT

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Availability: In stock

Set Includes:

1 x TSR Pro Built B44.3 Center Gear Diff (Pro Spec)
1 x AE Factory Team Aluminum Diff Cover
1 x RDRP Machined 81T Spur Gear
1 x TSR 2.5x10mm BHS Hardware Set
1 x TSR 3x8mm BHS Hardware Set
2 x TSR 10x15x4mm Ball Bearings
4 x TSR 10x12x0.1 Outdrive Shims
4 x TSR 10x12x0.2 Outdrive Shims

Service Pack Includes:
TSR Pro Build Service / Parts (Pro Spec)
TSR Anti-Seep Treatment
TSR Green Diff Seal Gasket
PT RC Racing Diff Fluid (specify below)

B44.3 Pro Built

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  • B44.3 Pro Built

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TSR "Pro Built" Gear Differentials make it easy to upgrade your differential for more durability and improved performance.  Built in-house at TSR exclusively with PT Racing differential fluids that are certified for consistent and accurate viscosity numbers starting at 1,000cst up to an available 30,000cst.

Pro Spec builds includes RDRP machined spur gear, aluminum diff gear cover, high quality fasteners plus a full array of available custom options. Once completed all TSR "Pro Built" Gear Diffs are properly seated with anti-seep treatment applied and leak testing preformed prior to shipment to get you back on the track faster.

Once the time arrives to convert or preform a full rebuild on your transmission upgrade to pure silicone seals. TSR "Pro Seal" gear diff sets contain pure silicone diff seals and provides all the components required in one convenient package to make the build seamless as possible.

At TSR, we race and understand the kind of discipline and commitment needed to win at the highest level. Time in the pits is time lost on the track and our goal is to keep you out of the pits and out on the track.


Made in Taiwan

1 set

(Pro Built items usually ship within 2-3 business days from order date)

Print or Download Install Sheet: "Pro Seal" AE B44.3 Center Gear Diff Rebuild / Conversion Install sheet