GM’s Australian car manufacturer, Holden, is on its last legs, as it will cease engine and vehicle manufacturing in 2017. However, it’s possible we’ll see the last breed of the Australia brutes in the U.S. as well.

According to GM Authority, sources from the Elizabeth assembly plant, responsible for building the VF Holden Commodore Series II and the Chevrolet SS, said the latter may be getting a lot more power in the model’s final year of production.

As 2017 will be the grand finale of the Zeta platform-based Commodore and the SS (with Holden and HSV releasing limited edition specials as swan songs), the American variant could go out with a bang as well. It’s rumored that the Chevy SS may be in for some LSA power, receiving the 6.2-litre LSA supercharged V8 under the hood by next year.

Currently, the VF Commodore is sold in the United States as a performance vehicle under the name of Chevrolet SS, which draws 415hp and 415 lb-ft (563 Nm) from a 6.2-litre LS3 V8. On the other hand, judging by Holden Special Vehicles’ special vehicles, a supercharged LSA variant could increase the power output of the SS to 580hp and a whopping 740 Nm (545 lb-ft) of torque.

However, if the Chevy SS won’t die along with the Zeta platform, then the LSA could make the current variant a bit too powerful compared to its future replacement.

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