Tag Archives: walkinshaw performance

HSV GTS pumped up to over 500kW by Walkinshaw Performance

The HSV GTS is the most powerful road car ever built by the performance arm of Holden. Lurking under the bonnet is a 6.2-litre supercharged V8 developing 430kW and 740Nm. However, this didn’t stop Walkinshaw Performance from scoping out a power upgrade package for the sports sedan. The journey began …

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