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Formulated with anti-wear characteristics that extend engine life and protect against oil breakdown at high temperatures in older Harley-Davidson V-twin air-cooled engines.
Recommended for use in Harley pre-1984 engines including: Flathead (1929-1974), Knucklehead (1936-1947), Panhead (1948-1965), Shovelhead (1966-1984), and other early model custom V-twin applications.
Meets or exceeds performance specifications: JASO MA/MA-2; API SL/SG/SL/CF specifications.
Can also be used in diesel/gas engines requiring API SL, SG or CF SAE 50 weight oil.
SAE 50 grade is satisfactory in ambient temperatures of 60F to 90F.
Meets SAE 90, API GL-1 gear oil requirements and is recommended for transmissions and primary chain cases.
NOT recommended for shaft drive hypoid gears or where an API GL-4 or GL-5 gear oil is required.
Meets all performance criteria for Harley-Davidson? engines (including HD 360), and WILL NOT void vehicle warranties.
NOTE: DO NOT MIX WITH GAS – or use in 2-cycle premix or injection engines. Consult owner’s manual for proper SAE grade.