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The P223 rear differential is an independent unit designed for rear drive applications, typically for high powered Touring or GT Sportscars.

Reduction is via a two stage cross shaft and bevel, allowing a high input to output height (87.0mm) variation whilst maintaining efficiency. These features combined with the unit’s high quality, low cost attributes make this product ideal for a wide variety of racing categories.


• 4,400Nm (3,245lbf ft) maximum output torque.* (Typical engine torque 600Nm)

• Cast Aluminium L169 Alloy casing and rear cover.

• Viscous combined Plate (VCP) differential.

• High efficiency gear ground input spiral bevel pair for greater strength & life. Xtrem polished as standard.

• Input bevel mounted on heavy duty taper roller bearings.

• Full form gear ground and Xtrem polished output spur gear.

• Overall reduction 3.75:1. 18:22 input bevel and 14:43 output spur.

• Oil Pump, trilobe 6mm-rotor type.

• Internal filter.

• Prop shaft flange options: ∅100 mm Lobro or Universal Joint.

• Xtrac manufactured Output flanges are included to suit GI 87 size Tripode joints.

• Input and output flange lip seals with additional dust shields.

• Differential weight is approximately 38kg (83.6lb).*


• Proven endurance racing credentials.

• Cost effective, reliable solution.


• Plate only limited slip differential.

• Different ratings of viscous coupling are available.

• Magnesium castings.

• Large selection of ramp options.

• Lobro style output flanges

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