Aeroflow 1mm Restrictors Suits -4AN 200 Series Fittings

Ideal for use with all ballbearing turbochargers. These great little restrictors restrict the oil flow/pressureto the core of the turbo to ensure long life of your seals. They suit -3AN and -4AN200 series steel or stainless-steel fittings ONLY.If you are using our aluminiumfitting it MUST be installed into an adapter fitting with a37-degree male end. Recommended for use in all Boosted ball bearing turbochargers. They feature a 1mm (3/64") internal holeand sold as a pack of ten.