
5W-30 FC-W Semi Synthetic Catalyst Oil, 5 Qt | 18-9555CAT-4
Sierra 18-9558CAT-2 synthetic catalyst engine oil is an ultra-high engine performance oil that utilizes premium base stocks and industry leading additives. It replaces Honda, Indmar, Ilmor, and PCM.
- Semi-Synthetic ultra-high performance oil, utilizes premium base stocks & industry leading additives
- Meets and/or exceeds FC-W Catalyst and FC-W specifications
- Meets or exceeds API SM category requirements
- Enhanced detergent package to suspend and prevent sludge
- Reduces friction to maintain high performance
- Prevents thermal and oxidation bread down under extreme temperatures
- High shear stability maintains viscosity prevent excessive thinning in high performance applications
- Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life
- Application: Non-Turbo Inboards
Original: $78.19
-65%$78.19
$27.37Product Information
Product Information
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Description
Sierra 18-9558CAT-2 synthetic catalyst engine oil is an ultra-high engine performance oil that utilizes premium base stocks and industry leading additives. It replaces Honda, Indmar, Ilmor, and PCM.
- Semi-Synthetic ultra-high performance oil, utilizes premium base stocks & industry leading additives
- Meets and/or exceeds FC-W Catalyst and FC-W specifications
- Meets or exceeds API SM category requirements
- Enhanced detergent package to suspend and prevent sludge
- Reduces friction to maintain high performance
- Prevents thermal and oxidation bread down under extreme temperatures
- High shear stability maintains viscosity prevent excessive thinning in high performance applications
- Advanced ZDDP additive technology prevents phosphorus depletion extending catalyst life
- Application: Non-Turbo Inboards






















