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Our Pro-Series Racing ECU delivers a huge performance advantage to the Sea•Doo 255 & 215 Supercharged Intercooled engines. ECU is calibrated for Stage II & IIII applications and must be used with RIVA Pro-Series 50lb Fuel Injector Kit, RIVA Valve Train Upgrade Kit and 91+ octane pump fuel. Plugs directly into factory wiring harness in place of stock ECU.
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