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Big Gun - High Rev Box

Adds up to 3 horsepower once snapped in. Comes ready to install and go. Allows RPM to rev out 1000 RPM higher than stock while advancing the timing for a bit more torque on the bottom end.

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Adds up to 3 horsepower once snapped in. Comes ready to install and go. Allows RPM to rev out 1000 RPM higher than stock while advancing the timing for a bit more torque on the bottom end.

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