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Tuning Management

$129.95 $123.45
Boyesen Power Wing Highlights: INCREASES horsepower and torque in 2-stroke, 4-stroke and 85cc engines AERODYNAMIC design maximizes velocity...

$99.00 $94.05
Quickshot 2 Accelerator Pump fills the pump chamber with fuel, and provides instant fuel delivery, eliminating hesitation and bog.
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$119.95 $113.95
Stock accelerator pump covers permit only a 60% - 70% fuel charge in the pump chamber. Turn the throttle and air trapped in the chamber is compressed...
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$179.95 $170.95
Hot engine starting is no longer a problem for all Keihin FCR Carbs. The patented performance of the proven quickshot system, now with adjustable leak jet...
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$259.95
The exclusive DMC Fuel Map optimizes air/fuel ratio at all RPMs for maximized throttle response and horsepower. The DMC EFI Control unit offers more advanced...

$39.95
The DMC Power Chip clips into the LT-R450 diagnostic plug and increases the RPM ceiling by 1000 RPM. It also reduces the stock fuel map restrictions to maximize engine performance.

$220.58
The TFI features simple plug & play installation along with quick and easy adjustment. No need for computers and complex maps, just a screwdriver. Uses...

$299.95
Fuel Injection is a step forward but stock mapping is just that, stock mapping. If racers choose to modify their ATV or bike, the stock fuel map needs to be...

$249.95
The new Dyna Fuel Injection Controller is a plug in module that offers 3 user selectable base fuel curves that are designed to improve engine operation and...

$89.00
DynoJet offers a wide range of kits to fit any application. Several jets come in each kit can be applied to your specific needs. Whether your running an...


$175.00
The new YFZ450R GNCC-style airbox from FCI improves the seal, keeps debris away from the filter, and houses the relay, and battery using factory hardware....