Meeting FIA Appendix J standards, it offers crisp detonation control, smooth power curves, and repeatable lap-to-lap stability. Ethanol free and formulated for consistency, R5 empowers both rally and circuit engines to reach peak potential.
When reliability and raw performance matter most, R5 delivers.
R5 is a legendary 102 RON competition racing fuel that contains 15 % sustainable components with uncompromising performance.
RACE TO WIN, ACCELERATE CHANGE
Rally and circuits
Prolonged shelf life
FIA Appendix J
TECHNICAL DATA
RON
101.5–102.0
(Research Octane Number) Resistance to knocking under low-load, lower temperature conditions.
ETHANOL
0%
Ethanol fraction; oxygenate, renewable, improves octane.
A/F RATIO KG
13.68–13.71
(STOICH) Air-to-fuel ratio for complete combustion; key for engine calibration.
OXYGENATES
3.5–3.7
Compounds that contain oxygen and are added to gasoline to improve combustion efficiency and reduce harmful emissions.
784-785
DENSITY AT 15C
Mass per unit volume; affects energy content per litre and fuel metering.
FINAL BOILING POINT
<135
Mass per unit volume; affects energy content per litre and fuel metering.
