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Ultra 250/260 725 CC/1000 CC Pro Series Fuel Injector Kit
Our Price: $532.95

R&D Pro Series injectors offer increased fuel delivery over our 525cc injectors.  The new Pro Series injectors are offered in 725cc and 1000cc flow rates.  Each set of injectors have been flow rate and voltage comp tested to insure linear accuracy and are shipped with a precision dead time (voltage compensation) chart that can be added into your aftermarket ECU’s software program under battery compensations. R&D Pro Series injectors offer perfectly clean linear response performance from low idle all the way through the entire power range. R&D Pro Series fuel injectors with a higher atomization spray pattern are easily capable of delivering fuel flow specifications to accommodate 400-500 horsepower!

The R&D Pro Series Fuel Injectors have been precision flow rate tested to 725cc at 43 PSI of fuel pressure, and 925cc at 70 PSI of fuel pressure, which rates them to flow as much as 92 pounds of fuel per hour. R&D fuel Injectors perform excellent, delivering precise fuel flow at fuel pressure ratings ranging from 40 to 80 PSI.  Each R&D injector set is packaged complete with all installation hardware, necessary harness interface connectors, voltage compensation chart, and instructions.
Ultra 250X Injector Kit
R&D Ultra 250X High Flow Fuel Injector Kit
Our Price: $682.50

When boosting the horsepower on a Kawasaki four stroke fuel injected engine, whether using high compression pistons, cams, or higher ratio supercharger compressor wheels, it will be necessary to increase the fuel flow delivery. The O.E.M. Kawasaki injectors have been precision flow rate tested to be 90 to 95 percent peaked on stock units at sea level without modifications. R&D offers high performance fuel injectors with a higher atomization spray pattern that are easily capable of delivering fuel flow specifications to accommodate up to 375-400 horsepower!

R&D has flow rate tested the O.E.M. Ultra 250X injectors and verified them to flow 375cc at 40 PSI of fuel pressure, which rates them to flow 38 pounds of fuel per hour. The R&D High Performance Fuel Injectors have been precision flow rate tested to 625cc at 70 PSI of fuel pressure, which rates them to flow 62 pounds of fuel per hour. R&D High Performance Injectors have been flow rate tested to perform excellent, delivering precise fuel flow at fuel pressure ratings ranging from 40 to 80 PSI. R&D offers only the highest quality fuel injectors, fuel pressure regulators, and fuel management accessories for all your fuel management needs.