A-MAIN 104 LOW LEAD RACE GASConquer any race with A MAIN 104! Our revolutionary fuel combines the clean burning power of 90 Recreational fuel with the high octane boost of 110 leaded race fuel. Perfect for all engines, including legend cars and crate motors. Take the lead and dominate the competition with A MAIN 104 Low Lead Race Gas! INFO A MAIN 104 RON: 108 MON: 100 (R+M) 2: 104 RVP: 6. 41 SPECIFIC GRAVITY: 0. 751 ETHANOL CONTENT: 0% OXYGEN CONTENT: 0% COLOR: LIGHT BLUE