A stretched chain wears its sprockets, and reusing a grooved crankshaft gear pulls fresh timing components out of spec within a few thousand miles. This sprocket restores the original tooth profile and keyway location on Nissan 1.8L and 2.0L engines so cam timing lands where the factory intended.

Melling S559 Specifications

• 20 teeth, single keyway, non-adjustable.
• 1.063 in. inside diameter and 0.78 in. thickness.
• High alloy steel construction.
• Machined to the timing specifications required for the listed applications.