K&N Intake System-Harley Davidson (RK-3910-1)

K&N Intake System-Harley Davidson (RK-3910-1)K&N's RK Series was developed to get more horsepower from your Twin Cam Harley Davidson engine. Built around the legendary K&N High Flow Air Filter, the this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built in, dyno tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a

Add support around perimeter of filter assembly

The 81-0240 stainless mesh in-line fuel filter has a flange diameter of 5/16 inches

The E-3740 is made with oiled layers of woven cotton that offer superior filtration and can be washed and reused repeatedly

Free-flowing carbon fiber tube

Increase horsepower and torque

knife and a wrench

Attractive carbon fiber front designed for extra strength

The base is 12 by 3-1/5 inches and the filter height is 5-3/4 inches

including the 5

The 69-8751TP air intake comes with a black rubber topped K&N high-flow air filter that installs into the previous air box space

Air flow is straightened from the unique shape of the air filter and is directed through the air intake tube and into the engine's throttle body for a guaranteed power gain

This package contains 4 black clips that are 3/4 inches wide and 4