This Australian Company Will Sell You an Aluminum V12 LS1

The GM LS V8 is ubiquitous in hot rodding. But what if you want more—like, four cylinders more?

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GM's LS engine is a gem. Wether it's factory-fitted to your production car, dropped in as a crate engine, or swapped from a junkyard wreck, the General's small-block V8 is nearly limitless.

But what if you want something more? Well, Australia has you covered.

Yes, Down Under is , a company building, well, a V12 engine made from smashing two LS1s together. The resulting 9.5-liter engine debuted at the 2016 SEMA show, where the first prototype engine made 641 wheel horsepower in a heavily-modified '67 Camaro.

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Now, the company is working to build a one-piece block, available in either cast iron or lightweight aluminum. The goal? To make 1000 naturally-aspirated horsepower from a V12 with the same bore and stroke as a factory LS1.

V12LS plans to offer engine builder packages starting at $21,300 delivered, including the block, heads, crank and cam. More complete options are also available, going all the way up to a $46,200 turnkey package with fuel, spark and lubrication system and a standalone ECU. All you'll need is headers, the water pump and front-end accessory drives. The V12 even uses the same engine mounts as a factory LS1, located the same distance from the rear of the engine as a factory mill. You'll just have to figure out how to fit the front of the engine in your application—the V12 LS is roughly 8.8 inches longer than a stocker, all added to the nose of the motor.

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Here's how V12LS makes its custom engine block using stock GM dimensions. And hey, if 12 cylinders isn't enough for you, we know where you can get a GM-inspired quad-turbo V16...

Here's a good-sounding car with no pistons at all:

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