k n twin cam rk series street metal o s air cleaner for harley 2OM NGK Spark Plug KR9CI Fits:

NGK Spark Plug KR9CI Fits:

67215-89 (knob only) and 67117-85 (screw only)

2008-2017 CB R 1000cc

Radial versions with revised pattern design to obtain optimum casing rigidity and footprint

k n twin cam rk series street metal o s air cleaner for harley 2OM NGK Spark Plug KR9CI Fits:High Flow intake system. Re use stock air cleaner cover for stock looks. Includes a special backplate, internal velocity stack, built in breathers, oversized air filter element and hardware. A K&N Dyno test of this RK series air cleaner assembly on a 2008 Street Bob showed an increase of 6. 54 HP@5100 RPM, a 2014 103" Ultra produced an additional 8. 33 HP@4670RPM. The K&N RK Series air cleaner assemblies are truly stealthy air cleaners since the stock