Js Racing WPC 5.1 Final Gear Set - Honda - Civic Type R Euro FN2RSpecifications: Manufacturer: Js Racing Ratio: 5. 1 Process: Js Racing WPC 5. 1 Final Gear Set Honda Civic Type R Euro FN2R FGW FN2 51 Effect of WPC processing: Abbreviation for Wide Peening and Cleaning , special processing that is also used for F1. By injecting a special shot at high speed and locally raising it to the recrystallization temperature, the work strengthening of the heat treatment effect and forging effect is instantly repeated, and the