K&N KN171B Oil Filter for [specified user group]

K&N Oil Filters are designed for high-end synthetic motor oil, offering improved flow performance at cold temperatures and superior protection against thermal degradation. Synthetic motor oil is engineered for ultimate flow with less pressure drop, yet it is designed to meet or exceed all OEM specifications for outstanding filtration. The premium oil filter from K&N was originally developed for demanding auto race applications and has become a favorite among consumers for its durability and easy removal.

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

The height of the K&N oil filter is 4.055'' (103 mm), with 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 for easy on and off of the filter, and the rolled threads offer extra protection against stripping.

The heavy-duty construction of the K&N oil filters ensures their durability and reliability, making them a popular choice among consumers who demand the best performance and protection for their high-end synthetic motor oil.

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