Refined Product Title: K&N KN171B Oil Filter

K&N Oil Filters are designed to excel with high-end synthetic motor oil. Synthetic motor oil is widely regarded to offer improved flow performance at cold temperatures, delivering superior protection against thermal degradation. These filters are engineered for ultimate flow with less pressure drop, yet designed to provide outstanding filtration, meeting or exceeding all OEM specifications. Originating from demanding auto race applications, K&N's premium oil filters are rapidly becoming a favorite among consumers for their durability and easy removal. Covered by a limited warranty, these filters are guaranteed to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturers' recommended service intervals.

K&N oil filters feature a heavy-duty metal can with a 17mm nut affixed to the end, allowing for effortless installation and removal. The 17mm nut is cross-drilled, enabling racers to safely wire the filter to their bike. Measuring 4.055'' (103 mm) in height, weighing 0.8 lb (0.4 kg), and with an outside diameter of 2.98'' (76 mm), these filters provide a robust and reliable solution.

Equipped with an anti-drainback valve (where applicable), K&N oil filters eliminate dry starts and prevent oil from draining back into the crankcase during engine shutdown. The internally lubricated gasket ensures a positive seal while allowing for easy on and off of the filter. Additionally, the rolled threads provide extra protection against stripping, further enhancing the durability of these high-quality filters.

Engineered for demanding applications and backed by a limited warranty, K&N Oil Filters are the preferred choice for those seeking superior flow performance, exceptional filtration, and uncompromising durability in their high-end synthetic motor oil systems.

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