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Opening the thermostat's valve at a lower temperature allows coolant to flow more freely during low-load sections of the racetrack
simple way to add that crisp feel that you associate with a solid feeling shifter
High-quality construction
adjustability
Hybrid Racing Push-on Fuel Fitting (06-11 Honda Civic Si) Color:Dust Red Opening the thermostat's valve atIf you have an 06 11 Civic Si, this piece is for you. Mounted on the end of the fuel rail, this piece mates with the stock fuel line. It features an extended fitting to relax tension on the fuel line and help with clearance. Comes with an O ring to prevent leaks. This fitting is included with the Hybrid Racing fuel line kit if you purchase it for the 06 11 Honda Civic Si. E85 compatible. Fits: 06 11 Civic w factory K Series engine (FA5, FD2, FG2 & FN2)