K & N Universal Air Filter RB-0720 Goldwing Puff Vest DS-223739 contain nine friction plates

DS-223739 contain nine friction plates and eight steel drive plates

Grade-eight fasteners are used to attach backing plate

to reduce inertia and therefore increase performance

“The EVR or Exhaust Valve Type R is and electronically controlled valve that improves drivability at small throttle and low RPM ranges where it matters most to the rider

Harness to interface to your ECU

K & N Universal Air Filter RB-0720 Goldwing Puff Vest DS-223739 contain nine friction platesMatch the o. d. of your carb throat with the i. d. of the filter (given in inches and millimeters) All clamp directly to the carburetor throat, replacing the stock airbox and filter element