Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®


K&N Filters E-3650 Replacement Element for Velocity Stack, 9 x 5 Inch

Overall Height:
Sold in Quantity:
Overall Diameter:
Inside Diameter:
MFG. Part #:
Filter Element Type:
Reusable Cotton Gauze
Filter Color:
K&N Filters E-3650 Replacement Element for Velocity Stack, 9 x 5 Inch

Click image to enlarge



Q & A

What's in the Box

K&N 9" x 5" filter element.


  • Size: 9 Inch
  • Filter Height: 5 in
  • Filter Re-Oiling Amount: 1.58 oz
  • Filter Material: Cotton Gauze
  • Inner Wire: Yes
  • Filter Outside Diameter: 9 in
  • Filter Inside Diameter: 7.5 in

Customer Reviews

This product has no reviews.

Product Q&A

0 questions : 0 answers

No questions have been asked.

You may also be interested in:

K&N Filters 58-1191 Velocity Stack Air Cleaner
(Part #465581191)

K&N chrome velocity stack has a 5-1/8" carb neck, 10.5" overall height, and 9" x 5" filter element.

Use SuperSeal rubber gasket 91011101 for a complete seal.

K&N Filters 99-0621 Air Filter Cleaner
(Part #465990621)

K&N Air Filter Cleaner is a high-performance cleaner and degreaser used to remove road grime, engine exhaust and grease from cotton air filters. After you clean your filter, be sure to reapply K&N air filter oil (at right) which catches minute dust and dirt particles and suspends them, allowing air to pass through freely.

32 oz. squirt bottle.

K&N Filters 99-0516 Air Filter Oil, Aerosol
(Part #465990516)

K&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N Filtercharger elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric. Saturation is maintained until the element is cleaned with K&N Air Filter Cleaner.

NOTE: Aerosol items cannot be shipped by air.