Home - Return to Previous Page
Click on image to zoom

K&N Universal Air Filter 3 7/8'' Flange, 4 1/4'' Base, 4'' Top, 6'' Height


  • Used With Round Style Stacks
  • Increases Filtration
  • Washable and Reuseable Filter
Coupons widget is currently in development and will be available shortly.
Pricing: $40.99


K&N Individual Round Style Stacks for Kinsler Non-Siamesed Fuel Injector Stacks- Round filters fit uncut ram tube bells and clamp securely to the lip. Will fit any injection setup that has a minimum of 4 1/4'' center to center, and parallel ram tubes . Each filter has a rubber top with a stamped K&N logo. As with all K&N air filters, these are washable and reusable. Simply use K&N oil and cleaner to service your filter.

Application List



Height: 6 in (152 mm)

Flange Inside Diameter: 3.875 in (98 mm)

Outside Diameter: 4.25 in (108 mm)

Flange Angle: N/A


  • RD-6000
  • RD-6000
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 0.9 lbs.
  • W4.6000” x H7.3000” x L4.6000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.