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K&N Air Filter Assembly Custom Lids and Tops
Billet Aluminum Spoked Lids
A recent addition to our Custom 66 Series™, these 14” assemblies feature a billet aluminum spoked lid with a carbon fiber insert. Both fit 5 1/8” carburetor flanges. Full assemblies shown on Custom 66 page.
XStream® Chevy & GMC Replacement Lid
Improve airflow and appearance on your late model Chevrolet-GMC truck and 1968 to 1995 GM vehicles with one of our new XStream® air cleaner lids. They come finished with a deep luster chrome or black with our XStream® Air Flow Top built in! These direct replacement lids are an inexpensive way to dress up your engine compartment and increase your airflow.
Carbon Fiber Lid
K&N has taken advantage of the lightness, strength and durability of carbon fiber to bring you our Carbon Fiber Lid. This new lid combines all the necessary features for racing with the good looks only carbon fiber can provide. Easy to install. This top lid fits K&N air filters part numbers E-3740, E-1650, E-3743, E-3745, E-3730, E-3750, E-3732, E-3760, E-3770 or any round air filter with an 14" outside diameter. At 4.6 oz this lid weighs 1/4 as much as our standard chrome top plate.
14" O.D. top plate Carbon fiber (center rises 1")……… 85-6840
14" Drop Base Plate
K&N's 14" air filter drop base plate is available separately for replacement or special applications. Base plate fits carburetors with 5-1/8" airhorn flange. This drop base will clear electric choke mechanisms.
14" O.D. drop base, Chrome plated steel, 5-1/8" flange (drops filter 7/8" below carb flange)……… 85-3545
| Neck Flange | K&N P/N Element | K&N P/N Complete Assembly |
| 5-1/8" | E-1650 | 60-1430 |
| 5-1/8" | E-3750 | 60-1440 |
| 5-1/8" | E-3760 | 60-1450 |
| 5-1/8" | E-3770 | 60-1460 |
14" Offset Flat Base Plate
K&N's 14" air filter offset flat base plate is available separately for replacement or special applications. Base plate is offset 1-1/2" and fits carburetors with 5-1/8" airhorn flange.
| Neck Flange | K&N P/N Element | K&N P/N Complete Assembly |
| 5-1/8" | E-3742 | 60-1400 |
| 5-1/8" | E-3750 | 60-1410 |
| 5-1/8" | E-3760 | 60-1420 |
14" O.D. offset flat base, Chrome plated steel, 5-1/8" flange
(sets filter 1-1/2" off carb flange) 85-3540
9" Metal Base Plate
9" O.D. base, Pollished Stainless steel, 7-5/16" flange - 03365
Custom Air Filter Plates
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K&N's 14" air filter plates are available separately for replacement or special applications. Base plates fit carburetors with 5-1/8" or 7-5/16" airhorn flange. Drop base will not clear all electric choke mechanisms, it may be necessary to space up base plate with a locally available air cleaner spacer. |
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| Description | K&N P/N |
| 14" O.D. drop base
Chrome plated steel, 5-1/8" flange (drops filter 7/8" below carb flange) |
85-3545 |
| 14" O.D. drop base
Chrome plated steel, 5-1/8" flange (drops filter 1-1/4" below carb flange) |
85-3549 |
| 14" O.D. flat base
Chrome plated steel, 5-1/8" flange (raises filter 9/16" above carb flange) |
85-1541 |
| 14" O.D. flat base
Nylon reinforced plastic, 7-5/16" flange (raises filter 3/4" above carb flange) |
85-3552 |
| 14" O.D. offset flat base, Chrome plated steel, 5 1/8" flange (sets filter 1 1/2" off carb flange) |
85-3540 |
| 14" O.D. top plate
Chrome plated steel, (center rises 1", stamped with K&N logo) |
85-6842 |
Chevy/GMC Chrome Tops
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Improve the overall appearance of the engine compartment on your late model Chevrolet-GMC truck and 1968 to 1992 GM vehicles with one of our new chrome air cleaner lids. Each lid comes in a deep luster chrome embossed with the K&N logo. These direct replacement lids are an inexpensive way to dress up your engine compartment without disturbing emission control equipment. Available separately or packaged with an E-1500 filter element to make a complete kit. |
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| Description | K&N P/N |
88-92 Chevy/GMC
Pickup (w/single wing nut) V8 Complete Kit With |
CE-1501 |
| 68-92 GM vehicles using
12" o.d. x 3-1/2" h. filter (E-1500) Complete Kit W/Chrome Top Lid and Replacement Filter |
CE-1501 |
| Chrome Top Lid Only (see CE-1501) | 85-6846 |
| 93-95 Chevy/GMC Pickup (w/dual
wing nuts) V8 Complete Kit With Chrome Top Lid and Replacement Filter (E-1500) |
CE-1502 |
| Chrome Top Lid Only (see CE-1502) | 85-6844 |
| 68-95 Chevy/GMC XStream Flow Top Lid | CE-1503 |
These filters are legal ONLY for racing vehicles. Not applicable, nor intended for use on emission controlled street or highway vehicles.
