k n rk series twin cam x wide air cleaner for harley Model:01-15 Softail; 02-07 FLT/Touring; 04-07 Dyna with Delphi inj. & stock OEM oval air cleaner cover 25-Pack Allen Bolt Stainless M10

25-Pack Allen Bolt Stainless M10 by Gardner Westcott

36-57 Big Twin

CNC machined from 6061 T6 billet aluminum

it offers practical storage space without adding bulk

k n rk series twin cam x wide air cleaner for harley Model:01-15 Softail; 02-07 FLT/Touring; 04-07 Dyna with Delphi inj. & stock OEM oval air cleaner cover 25-Pack Allen Bolt Stainless M10Extra wide. Comes with extra long spacers, but will still fit with OEM chrome air cleaner cover. K&N realized a +12 HP increase on the Dyno. The K&N RK Series air cleaner assemblies are truly stealthy air cleaners since the stock air cleaner cover is re used. Power increase is realized by replacing the stock filter and backplate. A special K&N powder coated aluminum backplate, with Dyno tuned velocity stack, is required to house the oversized K&N air