Specs: 227 Moly Roller Chain Lube, Size: 13, Notes: Moly Roller Chain is an anti-wear, extreme pressure, penetrating chain lube formulated to lubricate high speed or medium speed roller chains found in automotive, industrial, farming, construction and mining applications, Moly Roller Chain Lube is blended with penetrating oils, special friction releasing and extreme pressure additives, and rust and corrosion inhibitors, O-ring safe: will not swell or shrink O-rings. Replaces OEM Numbers: Schaeffer’s: 051-227-12. . 100% New Aftermarket 227 Moly Roller Chain Lube built to meet OEM specifications