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Often times we have customers with questions like, will this turbo fit my car? Although customers usually provide us his/her specific car model, we’re unable to figure out exactly whether it will fit or not. Every car has different setups, even the same model when selling in different countries, the engine configuration might be different. Today we’re going to give you a guideline on how to choose a turbocharger if you’re driving a naturally aspirated car. You attach manifold with turbine inlet, therefore the first step would be to determine what flange type would you prefer to use both for...

Introducing specially designed billet actuator specifically for EVO 9 and EVO 10! The position of the actuator on EVO 9 and EVO 10 is upside down, therefore when you wash the engine or when it’s raining, the parts such as diaphragm and spring in the actuator wears out easily after water enters. Broken parts in the actuator leads to overboosting of turbocharger. Arashi has redesigned the billet actuator exclusively for EVO 9 and EVO 10 to prevent water leakage in the actuator head. On top of the bracket which perfectly fits on to EVO 9 or EVO 10 turbocharger, a...

An actuator might seem like a minor part, but it plays a vital role in controlling the boost output of the turbo. It diverts excessive exhaust gasses away and prevent turbine wheel from over-speeding, at the same time regulating compressor wheel speed. The principal parts in an actuator are the spring and diaphragm. Diaphragm in OEM actuator wears out more easily because steel absorbs more heat than Aluminum. With stock actuator, a complete actuator needs to be replaced when the diaphragm breaks. However, diaphragm can be replaced individually in a billet actuator, which is much more cost effective. Another advantage...

Turbochargers have two major sections one usually referred to as the hot side and the other as the cold side. Two main parts from the hot side are turbine housing and turbine wheel. In order to stand extreme heat, both of these parts have to be able to withstand high temperature. In this discussion we’ll be focusing on the turbine housing. Arashi turbine housings are made mainly with 5 types of ductile cast irons, they are SCH22, Stainless Steel, D5S, D2, and FCD(HiSiMo). SCH22 is basically the hardest cast iron steel among these 5, its hardness is 442 HBW and...

 What is the most effective way of upgrading to ball bearing turbo from a journal bearing turbo? The answer is – Arashi KBT Series! This is a must read if you still do not know about Arashi KBT Series. Our KBT series CHRA and turbocharger allows you to upgrade from journal bearing to ball bearing effortlessly. Without preparing new accessories and piping, if you’d like to upgrade the whole journal bearing turbo to a ball bearing turbo, you may do so with Arashi KBT turbochargers, simply swap your turbo itself and it gives you all the advantages of a ball...