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K&N Tapered Injector Air Filter Set, 2-1/8 Inch

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Specs
Overall Height:
6.25
Overall Width:
5.50
Overall Length:
9.00
Color:
Black
Sold in Quantity:
Set
Inside Diameter:
2.13
MFG. Part #:
RD-4204
Filter Element Type:
Reusable Cotton Gauze
Filter Color:
Red
K&N Tapered Injector Air Filter Set, 2-1/8 Inch
K&N Tapered Injector Air Filter Set, 2-1/8 Inch

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K&N Tapered Injector Air Filter Set, 2-1/8 Inch

Please NOTE the following about this product:

  • This item is sold as a set.

Details

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Q & A

What's in the Box

These K&N tapered injection filters are designed from late-style Hilborn "tapered" Model R with siamese stacks. Oval aluminum top plate measures 9" x 5-1/2". Total height is 6-3/4".

  • 2-1/8" I.D. flange
  • 2-1/16" injector bore
  • Available in set of four for Chevy

Item Details

R: 2-1/8" ID Flange, 2-1/16" Injector Bore

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                        For use with cut velocity stacks, or straight pieces of exhaust tubing. Flat rubber bases with molded-in velocity stack type radius and step for smooth bore down from element to tube. 

Filters measure 3-1/2" diameter and 4" tall.

K&N 6 Inch Single Type Injector Stack Air Filters, 2-1/8 Inch, Set/8
                        For use with cut velocity stacks, or straight pieces of exhaust tubing. Flat rubber bases come with molded-in velocity stack type radius and step for smooth bore down from element to tube. 

Filters measure 3-1/2" diameter and 6" tall.


K&N Filters RD-4200 Tapered Injection Filter, 2-1/8 Inch
                        

Single tapered filter for Chevy with 9" x 5-1/2" oval aluminum top plate. Total height is 6-3/4". Designed for late-style Hilborn tapered model R with siamese stacks.

Outerwears Pre-Filter for Hilborn Tapered, Black
                        

Pink prefilters are clearance priced.

 

Used by racing stars like Sammy Swindell, Danny Lasoski, Steve Kinser and many others. Fits Hilborn Injection Siamese stacks.

Hilborn injection uses tapered.
Kinsler injection uses straight.