One of the world’s fastest sedans gets more power – Drive

27 Oct 2020
The Rocket 900 from Germany tuning house Brabus takes the already-quick Mercedes-AMG GT 63 S 4MATIC+ four-door to a higher level.
The donor car’s 4.0-litre twin-turbocharged V8 engine already has an output of 470kW and 900Nm. However, that’s not enough for Brabus.
The tuning firm has increased the V8’s displacement to 4.5-litres, fitting a new crankshaft, larger forged pistons and stronger billet con-rods in the process.
The car’s standard twin-turbochargers have been swapped for a pair…

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