Nissan R200 Pinion & Final Gear: WPC Treatment Series
View the full price list for WPC treatments and options. (PDF)
See how WPC treatment improves surface hardness.
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The Science of Ultimate Durability and Smoothness
WPC Treatment is a revolutionary surface refinement technology.
By bombarding the metal surface with ultra-fine spherical shots at speeds of 200m/s, we achieve three critical performance upgrades:
Increased Fatigue Strength: Instantaneous heating and cooling during impact micro-refines the crystal structure.
Higher Surface Hardness: Repeated plastic deformation creates a work-hardened, toughened layer.
Superior Lubrication: Micro-dimples on the surface act as oil reservoirs, preventing oil film breakdown even under extreme loads.
The Technology Behind the Build
WPC Treatment® Engineered to prevent gear tooth damage and breakage. This treatment enhances wear resistance and fatigue strength, making your R200 differential "bulletproof" for high-power applications.
MoS2 Shot Treatment Fuses a solid lubricant layer (Molybdenum Disulfide) to the surface without binders. This maximizes the low-friction effect, providing butter-smooth sliding resistance that resin-based coatings can't match.
Sirius Finish® A high-precision polishing process that achieves a mirror-like smoothness (thousands-grit level) even on complex gear geometries, reducing drag to the absolute minimum while maintaining WPC-strengthened surfaces.
Composite Treatment Benefits
(A) WPC + Sirius: Maximum strength with a highly refined surface finish.
(B) WPC + MoS2: Maximum strength with significantly reduced sliding resistance.
(C) WPC + Sirius + MoS2: The Pinnacle. The ultimate reduction in friction and the highest level of durability available.
Note: WPC Treatment® and Sirius Finish® are patented technologies of
Fuji Manufacturing Co., Ltd.
Custom processing is available based on your specific racing conditions and requirements.
