K&N Adjustable Fitting Universal Chrome High-Flow Air Filters


K&N adjustable fitting Universal Air Filters are made with flange inserts which adjust the filter’s flange to one of three inside flange diameters.

The flange on these filters is made with ultra-strong molded pliable rubber which absorbs vibration and allows for secure attachment. K&N clamp-on universal air filters are washable and reusable.

Round Tapered Universal Cotton Gauze Air Filters

K&N is the original performance air filter company that developed oil treated cotton gauze air filters in 1969. They are designed to improve performance by allowing an engine to breathe easier.

The following air filters have a metal chrome top finish. The outside base diameter is  6.125″ (155.6 mm), with the outside top diameter of 4.75″ (120.6 mm). They are available with three different flange fittings; the inside diameters are:  4″ (102 mm),  3.5″ (89 mm) and  3 ” (76 mm), all 1.125″ (29 mm) long.


P/N  RG-1002RD
Height: 9.5 in (241 mm)
Color: Red



P/N RG-1001BL
P/N RG-1001RD
P/N RG-1001WH
Available in three different colours: blue, red and white.
Part number must have colour code after it.
Height: 5″ in (127 mm)


A six-step maintenance system designed to clean any K&N Filtercharger® Air Filter. Restores air flow efficiency so your Filtercharger performs like new!


P/N 99-5000 ( 6.5 oz. Spray Oil & 12 oz. Filter Cleaner)




P/N 99-5050 (8 oz. Squeeze Oil & 12 oz. Filter Cleaner)


This entry was posted in Featured, What's New. Bookmark the permalink.