Perhaps you don't use your car flat out, but this could save an expensive bill by avoiding over-revving. The road use rev limiter comes preset for four cylinder cars to 6000rpm. It allows use of full throttle up to the limit, at which point power is gradually reduced. This unit can be preset to the customers specification; please ask for details. The competition unit is fully adjustable and works by progressively mis-timing the spark - preventing an increase in engine speed, and reducing the possibility of damage to your engine. It is suitable for 4, 6 or 8 cylinder engines.
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