(6 pack) Royal Purple Max-Clean Fuel System Cleaner & Stabilizer, 20 oz
- Royal Purple Max-Clean 11722 Fuel System Cleaner Automotive Additive, 20 oz
- Reduce deposit-related engine knocking and pinging
- Prevent rough idle, hesitation and stalling
- Prevent premature spark plug fouling
- Restore horsepower an average of 2.6%
- Reduce hydrocarbon, NOx and CO emissions (on average 12%, 13% and 18% respectively)
- Restore fuel economy an average of 3.2%
