Missing that old spark? When standard revs won't cut it, Quadboss CDI boxes are designed to enhance overall 4-wheeler performance. Each unit uses duplication circuits to increase RPM redline and altered ignition advance curves. Altered advance curves to increase performance throughout the RPM range.
Designed to enhance overall engine performance performance
Duplication circuits for maximum reliability
One-year manufacturer warranty
Raises rev limiter by 1,000+ RPM over stock CDI box
Fitment is guaranteed or your money back plus free return
Don't waste time installing a product that doesn't fit. We
worked hard ensuring that this product is an exact fit on the
vehicles listed below.
TRX90 FourTrax 90 1993-2005
TRX450R Sportrax 450R 2004-2005
Big Boss 400L 6x6 1996-1997
Big Boss 500 6x6 1998-1999
Magnum 425 2x4 1995-1998
Magnum 425 4x4 1995-1998
Magnum 500 4x4 1999-2000
Scrambler 500 2x4 2001
Scrambler 500 4x4 1997-2000
Sportsman 335 1999-2000
Sportsman 400 2001-2002
Sportsman 500 4x4 1996-2000
Sportsman 500 6x6 2000
Worker 335 1999
Worker 500 1999
Xplorer 500 1997
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