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Using octane boosters is a simple process
4L85E & 4L80E Automatic Transmissions
Turbosmart’s Smart Port trumpet allows the use of a softer spring in the body of the BOV to aid in valve response to the plumb back port
HT-059904 IO12 Expander (Box A) + Flying Lead Harness 2
Withstands a continuous operating temperature of 260degC
Supersonic Universal Fit Colour:Black Using octane boosters is aA full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous Supersonic sound. Featuring a tool free adjustment via a rotating cap and a positive seal piston this is Turbosmart loudest BOV. Some applications my require a BOV Adapter or fitting. Please check the applications tab for part numbers.