Custom 66 Series Air Cleaner Assemblies

Custom 66 Series

These custom air cleaner assemblies from K&N are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide serious air flow. Each complete assembly comes with base, element, top plate and stud.  Available in 6 different designs, the perfect assembly is sure to be found here.

 
Dual Quad Assembly

Dual Quad Assembly (Arrow & Oval)   # 66-5080
Dual Quad Arrow Assembly  # 66-5080F (left unit)
Dual Quad Oval Assembly   # 66-5080R (right unit)

The Dual Quad Assembly is designed to fit 4 barrel carburetors with a 5-1/8" neck flange. The minimum center-to-center spacing required is 7-13/16". The filter is 2 1/2" tall and entire assembly height is 4 1/8". Approximate length and width of the Arrow Assembly is 12"L x 9"W. The Oval Assembly is approximately 10" X 10".  Total length depends on the distance between carburetors.  A 8" center-to-center carburetor distance will have a total length of 20 1/2".

 
Billet Aluminum Spoked Lid Assemblies
These 14” assemblies feature a billet aluminum lid with spokes and a carbon fiber insert.  They include our popular 3” tall E-1650 element.  Both fit 5-1/8” carburetor flanges and are available with either 1-1/4” drop base or standard 9/16” raised base.

5 SPOKE ROUND DESIGN

Style 1 w/1-1/4” drop base; 2-3/4” total height           66-5090
Style 1 w/ standard 9/16” raised base; 4-5/8” total height        66-5100
5 Spoke Top Plate        85-6848

10 SPOKE ROUND DESIGN

Style 2 w/1-1/4” drop base; 2-3/4” total height         66-5110
Style 2 w/ standard 9/16” raised base; 4-5/8” total height        66-5120
10 Spoke Top Plate         85-6850

 
Flamed Design

Large Oval:
15" x 8-1/4" x 3"h    #66-1470
15" x 8-1/4" x 5"h    #66-1460
Small Oval:
11-7/8" x 8-3/8" x 3"h    #66-1530
11-7/8" x 8-3/8" x 5"h    #66-1520

 
Electric Design

Large Oval:
15" x 8-1/4" x 3"h   #66-1510
15" x 8-1/4" x 5"h   #66-1500
Small Oval:
11-7/8" x 8-3/8" x 3"h   #66-1570
11-7/8" x 8-3/8" x 5"h   #66-1560

 
Scalloped Design

Large Oval:
15" x 8-1/4" x 3"h   #66-1490
15" x 8-1/4 x 5"h   #66-1480
Small Oval:
11-7/8" x 8-3/8" x 3"h   #66-1550
11-7/8" x 8-3/8" x 5"h   #66-1540

 

Replacement Elements:
For Large Oval Assemblies 2" element height E-3515
For Large Oval Assemblies 4" element height E-3514

For Small Oval Assemblies 2" element height E-3505
For Small Oval Assemblies 4" element height E-3504

These filters are legal ONLY for racing vehicles.  Not applicable, nor intended for use on emission controlled street or highway vehicles.