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K&N Clamp On Air Filter For Stock 50-54mm Carb 5-037

K&N Clamp-On Racing Air Filter for Stock  Carburetors 50-54 mm 
This filter provides the exact needed clearances you need so that no modifications to your frame are needed.
(Length=102, Diameter=89mm)

It is designed to optimize the performance greatly by allowing unrestricted air flow while maintaining the best air filtration quality and offering a 1 Million mile warranty!

You can easily increase the horse power by bolting this item on by completely eliminating the restrictive factory air box.

Comes ready to mount  lubricated, including carburetor flange clamp
89mm, cylindrical form, 20° angled for perfect fit.
Part RU-1400 Product Specifications 
Product Style: Round Straight Universal Air Filter
Filter Material: Cotton Gauze
Flange Angle: 20 degrees
Flange Inside Diameter: 1.938 in (49 mm)
Flange Length: 2 in (51 mm)
Flanges: 1
Flange Type: Angled
Height: 4 in (102 mm)
Outside Diameter: 3.5 in (89 mm)
Top Material/Finish: None
Top Style: Rubber
Filter Re-Oiling Amount: 0.34 oz (10 ml)
Inner Wire: No