K&N, Twin Cam RK series Street Metal O.S. air cleaner assy - 16-17 Softail (excl. 16-17 FLSTFBS); 14-16 Touring (NU). With stock round air cleaner cover with front 'air scoop' intake 509004 screw-in cap tank requires the

screw-in cap tank requires the use of 82-E96 gas caps (sold separately)

532126 plain steel or 532347 in polished brass material

Kit includes aluminum top collars and valve springs

Cult-Werk's smooth clean ABS fender strut covers are available as 963042

K&N, Twin Cam RK series Street Metal O.S. air cleaner assy - 16-17 Softail (excl. 16-17 FLSTFBS); 14-16 Touring (NU). With stock round air cleaner cover with front 'air scoop' intake 509004 screw-in cap tank requires theHigh 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