Billion is a Japanese thermal-management specialist focused on keeping engines cool under pressure. The range spans Super Thermo oil coolers, aluminium radiators, VFC fan controllers, thermostats, silicone hoses and heat-protection matting and tape for serious JDM and track builds. Billion's cooling know-how helps turbocharged engines survive sustained hard use. Black Hawk Japan stocks the full Billion range, sourced direct from Japan.
