HKS Spring Wastegate Engine Controllers REQUIRES removal rubber bushing from

REQUIRES removal rubber bushing from factory top mount

Do I need to clean the header and cylinder head surfaces before installing these gaskets

LED technology delivers sharper brake signal visibility compared to stock incandescent units

Wiring integrates with your factory harness

Hoses themselves should be inspected for cracks or softness

HKS Spring Wastegate Engine Controllers REQUIRES removal rubber bushing fromStandard wastegate is small but have reliable control over boost pressure[about 294. 2kW(400ps)]. You can adjust settings of supercharging pressure with the choice of spring. Because the special wastegate and standard wastegate have the same flange shape, you can use for the step up. One wastegate can control the boost of 367. 8? 441. 3kW(500? 600ps). By the choice of spring supercharging pressure can be set as high as about 156. 9kPa(1. 6kgf cm2).