Hks-va028-v2.0 =link=

“It is identical to the old VA028.” Fact: False. The V2.0 has a different diaphragm, a revised valve angle, and bleeder ports that are 1mm wider. They are not interchangeable ; do not buy a V2.0 rebuild kit for a V1 unit.

4mm and 6mm Allen keys, torque wrench (set to 18–22 Nm for flange bolts), copper anti-seize, vacuum line (3.5mm ID).

The “VA028” designation refers to a specific model within HKS’s Standard Wastegate Series. The “V2.0” indicates this is the second generation, featuring critical design improvements over the original VA028. hks-va028-v2.0

The V2.0’s exhaust outlet requires a V-band clamp. You must plumb the dump tube back into the downpipe or vent to atmosphere (check local noise/emissions laws). Tuning and Calibration: Making the V2.0 Sing Simply bolting on the HKS-VA028-V2.0 will not magically perfect your boost curve. You need a recalibration of your standalone ECU (MoTec, Haltech, Link, or AEM).

The HKS-VA028-V2.0 shines in mid-range responsiveness . It cracks open faster than the Tial MVS at low boost, yet seals more cleanly than the Turbosmart at high boost. Common Myths and Misconceptions Myth #1: “The V2.0 needs a boost controller to work.” Fact: No. Connected directly to the intake manifold, it functions as a mechanical wastegate, opening at its spring pressure. However, to achieve over 1.0 bar, you must use an electronic boost controller (EBC) or a manual bleed valve. “It is identical to the old VA028

Attach the wastegate to the manifold using the supplied studs and brass nuts. Critical: Apply copper anti-seize to the stud threads. Torque in a cross pattern to 20 Nm.

– Deducted half a point only for the lack of included V-band clamp and dump tube gasket (sold separately). Have you installed an HKS-VA028-V2.0 on your build? Share your boost logs and tuning maps in the comments below. For more technical deep dives, subscribe to our newsletter. 4mm and 6mm Allen keys, torque wrench (set

Remove the blanking plate from your turbo manifold’s wastegate port. Clean gasket surfaces with a razor. Do not reuse old gaskets – HKS supplies a metal embossed gasket in the V2.0 box.