CATALYST ENGINE OIL 4 STK 25W-40

Sierra 25W-40 Catalyst Engine Oil is designed for use with 4-stroke engines with or without emission catalyst systems and exceeds all 4-stroke requirements including FC-W and FC-W Cat Compatible. It provides maximum corrosion protection and includes "ZDDP" anti-wear additive to prevent phosphorus depletion. NMMA FC-W Certified.