HKS GT3-SS Turbo Center Cartridge (CHRA) Nissan they have a 60-degree conical

they have a 60-degree conical taper compatible with most aftermarket wheels

to a constantly varying degree

Skunk2's advanced high temperature thermal polymer material protects against heat soak and maximizes horsepower gains by reducing heat transfer

preventing fluttering of the belt due to sudden torque fluctuations and surface treatment

HKS GT3-SS Turbo Center Cartridge (CHRA) Nissan they have a 60-degree conicalHKS offers a diverse range of high quality turbo related components and accessories as replacement parts, conversion parts, or upgrades. Gaskets, oil lines, water fittings, and actuators are available for use in the construction of custom turbo applications or as replacement parts. Turbo adapter flanges, turbo heat shields, and turbo outlet and downpipe flanges are also available for turbo upgrade conversions.