HKB Boss Kit - Nissan Silvia S13 - ON-07 Product_Radiator We recommend all cooling components

We recommend all cooling components are fitted by a qualified mechanic to ensure the correct fitment

When it comes to external wastegates

3 Thickness (mm)   23 Diameter (mm)   282 Height (mm)   47 Hole Count   5 Weight (kg)   6

By “staging” the two venting outlets

HKB Boss Kit - Nissan Silvia S13 - ON-07 Product_Radiator We recommend all cooling componentsHKB Steering Wheel Boss Kits are Design and made Japan, with the widest range available for all Japanese Vehicles. HKB bosses are double drilled fitment that can be used on both Nardi Personal and Momo Sparco OMP steering wheels. All HKB boss kits are plug and play and come with all all accessories needed for the vehicle operations such as Horn, indicator self cancelling, airbag light cancelling, HICAS operation and cruise control function & other