Thor is a Billet 4.0 L Inline-Four Capable of 1500+ hp

Elmer Racing Thor 4.0 L inline-four

Elmer Racing is a company in Finland that specializes in custom racing components. For several months they have been releasing details on their custom 4.0 L (3974 cc) inline-four they call Thor which will reliably produce over 1,500 horsepower. The engine is designed for top classes in time attack and hill climb racing. The engine … Read more

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