1) Less restrictive.2) Reduces back pressure.3) Reduces harmful detonation.4) Improves engine performance.5) Lighter and stronger.6) Powder coated to prevent corrosion.7) High temp silicone coupler...

1) RIVA fuel injector kit delivers additional fuel to modified engines for high boost applications2) 100lb (1,000cc) injectors are for use with aftermarket ECU for correct calibration3) Kit includes 4 injectors, plug and play adapters, fuel rail spacers and detailed installation instructions..

1) Valve Train Upgrade Kits increase the reliability of your modified engine by reducing the possibility of valve float at high rpm2) Includes lightweight, precision-machined titanium valve retainers, racing valve springs & base washers..