K&N KN171B Oil Filter for Motorcycle

K&N Oil Filters are designed for high-end synthetic motor oil, offering improved flow performance at cold temperatures while providing superior protection against thermal degradation. Developed originally for demanding auto race applications, these premium oil filters are rapidly becoming a favorite among consumers for their durability and easy removal.

The filters are covered by a limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturers' recommended service intervals. They feature a heavy-duty metal can with a 17mm nut affixed onto the end, allowing for easy installation and removal. The 17mm nut is cross-drilled, enabling racers to safety wire the filter to their bike.

The oil filter's dimensions include a height of 4.055'' (103 mm), a weight of 0.8 lb (0.4 kg), and an outside diameter of 2.98'' (76 mm). The anti-drainback valve, where applicable, eliminates dry starts and prevents oil from draining back into the crankcase during engine shutdown. The internally lubricated gasket provides a positive seal while allowing easy on and off of the filter, and the rolled threads offer extra protection against stripping.

Engineered for ultimate flow with less pressure drop, these filters are designed to meet or exceed all OEM specifications, ensuring outstanding filtration. Synthetic motor oil is said to offer improved flow performance at cold temperatures while providing superior protection against thermal degradation, making K&N Oil Filters an ideal choice for high-end applications.

The heavy-duty construction of these filters, combined with their easy installation and removal, make them a popular choice among consumers seeking a durable and reliable oil filtration solution. With their limited warranty and premium features, K&N Oil Filters are well-suited for demanding automotive applications, providing the necessary protection and performance for the modern high-performance engine.

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