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RR Racing Supercharger Ethanol Kit and Stage 2 Tune
RR Racing Supercharger Ethanol Kit and Stage 2 Tune

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Our Price: $1,965.00

Availability: Usually Ships in 1 to 2 Weeks
Product Code: ISFSCEFK02


Our Stage 2 upgrade was developed for our customers who want to run 10 second quarter mile times and beyond supercar levels of performance!

The Stage 2 power upgrade for the ISF Supercharger kit achieves approximately 580whp on 93 octane gasoline (STD correction), 615whp on e50 blended fuel (STD Correction). Internally stock ISF engines are recommended to run 50% e85 blend or higher for maximum safety/reliability.

Stage 2 upgrade kit includes:

  • Upgraded supercharger pulley
  • Innovate Motorsports e85 gauge
  • Fuel surge tank with integrated fuel pressure regulator
  • Radium surge tank with TI Automotive fuel pump
  • All fittings required for fuel system installation
  • Teflon lined braided fuel hose
  • Revised ECU tune as well as base maps for external fuel computer for pump gas, e50 blend, and e85.

  • Please note that running on regular high octane fuel will require switching the tune file. Running on regular high octane fuel without 55% ethanol is not recommended at full throttle. Also, using the upgraded pulley may void the Rotrex warranty.