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For Over 85 Years, Radiator Specialty Company products help make things work better.                              
Engine Oils, Additives & Flush
M1616 Bearin
M1616
Bearin' Seal

- Stops engine leaks in front and rear main bearing, head gaskets, and timing chain covers.
M1815 Motor Medic Oil Treatment
M1815
Motor Medic Oil Treatment

- Reduces friction and wear.
- Keeps moving parts cleaner.
M2112 Engine Oil Stop Leak
M2112
Engine Oil Stop Leak

- Specially formulated oil additive.
- Rejuvenates old oil seals & gaskets that shrank.
- Will not plug oil filters or clog oil passages.
- Seals pan gaskets, valve cover gaskets, timing gear, main bearings and oil seals.
M3115 Oil Treatment
M3115
Oil Treatment

- Premium protection for cars, light trucks, and sport utility vehicles.
M3712 Valve Medic
M3712
Valve Medic

- Quiets noisy filters.
- Super concentrated formula eliminates valve noises by dissolving gum, sludge, and dirt deposits from valve lifters.
M5714_6 Stop Smokin
M5714/6
Stop Smokin'

- Conditions oil seals .
- Cushions noisy valves and lifters .
- Reduces oil consumption and exhaust smoking .
- Helps Revive Seals and Gaskets .
- Helps stop oil leaks
M6232 Nu-Power Engine Treatment with PTFE
M6232
Nu-Power Engine Treatment with PTFE

- Reduces friction and engine wear, reduces engine temperature, improves fuel economy, and increases engine torque.
- Provides a smoother running engine, reduces operating expenses, and maintenance.
MF2 Motor Flush
MF2
Motor Flush

- Removes accumulated gums, varnishes, and sludge from internal engine parts.
- Releases sticky valves and piston rings, allowing oil to circulate freely to all parts of the motor.
MF3 Motor Flush
MF3
Motor Flush

- Removes accumulated gums, varnishes, and sludge from internal engine parts.
- Releases sticky valves and piston rings, allowing oil to circulate freely to all parts of the motor.