HOLDEN COMMODORE 
PERFORMANCE UPGRADES

GC Cars is an Australian Holden Commodore specialist providing performance upgrades, engine conversions, mechanical servicing, and genuine parts to customers Australia-wide.

With over a decade of hands-on experience working exclusively with Holden Commodores, we specialise in reliable, high-quality solutions for VE, VF, and earlier models. Whether you’re upgrading from V6 to V8, replacing an engine, servicing your daily driver, or sourcing hard-to-find parts, we deliver proven results with expert workmanship.

We work with enthusiasts, daily drivers, and performance builds, offering both workshop services and Australia-wide supply of parts through our online store.