Engineered for sterndrive and outboard applications, this 4-stroke 10W-30 marine oil has been extensively tested to ensure impressive protection against corrosion and wear.
Engineered for sterndrive and outboard applications, this 4-stroke 25W-40 marine engine oil has been extensively tested to ensure impressive protection against corrosion and wear.
Engineered for sterndrive and outboard applications, this 4-stroke 25W-40 marine engine oil has been extensively tested to ensure impressive protection against corrosion and wear.
Engineered for sterndrive and outboard applications, this 4-stroke synthetic blend 25W-40 marine engine oil has been extensively tested to ensure impressive protection against corrosion and wear.
Engineered for sterndrive and outboard applications, this 4-stroke synthetic blend 10W-30 marine engine oil has been extensively tested to ensure impressive protection against corrosion and wear.
Engineered for sterndrive and outboard applications, this 4-stroke synthetic blend 25W-40 marine engine oil has been extensively tested to ensure impressive protection against corrosion and wear.
The Black Diamond is recommended for use on boats with up to 250 Hp and with a top speed of less than 50MPH. The high quality casting and durable high-gloss Phantom Black finish make it easy to maintain & repair.
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