K&N Air Cleaners, Flame Arrestors & Scoops

Air Cleaner, X-Stream Airflow, 9 in. Round, Aluminum Frame, Black, Raised, Stainless Base, 7.31 in. Inlet. Oiled Filter, 3 in. Tall, Each

Part Number: KNN-66-3330R

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Air Cleaner, X-Stream Airflow, 9 in. Round, Aluminum Frame, Black, Raised, Stainless Base, 7.31 in. Inlet. Oiled Filter, 5 in. Tall, Each

Part Number: KNN-66-3320R

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Carburetor Plenum, Aluminum, Black, Ram-Air Style, 5.13 in. Flange, Single Carburetor, 11.89 in. Long, 9.00 in. Wide, 4.00 in. Tall Each

Part Number: KNN-85-1060

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Air Cleaner, X-Stream Airflow, 14 in. Round, Aluminum Frame, Black, Raised, Chrome Base, 7.31 in. Inlet. Cotton Gauze Filter, 6 in. Tall, Each

Part Number: KNN-66-3100

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Air Cleaner Assembly, Round, 14.00 in., Plastic Top, Black, Dropped Base, 0.34 in. 5.13 in. Inlet, Cotton Gauze Filter, 4.00 in., Red, Each

Part Number: KNN-61-2000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Air Cleaner Assembly, Oval, 1.75 in. Inlet, 3.25 in. Tall, 12.00 in. Long, 5.50 in. Wide, Steel, Chrome Finish, Cotton Gauze, Oiled, Red, Each

Part Number: KNN-56-1770-2

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Air Cleaner Assembly, Round, 14.00 in., Plastic Top, Black, Dropped Base, 0.16 in. 5.13 in. Inlet, Cotton Gauze Filter, 4.50 in., Red, Each

Part Number: KNN-61-4030

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, Street Metal Series, 10 in. Oval, Black Top, Finned, Cotton Gauze Filter, Red, 2.38 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3956

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, X-Stream Airflow, 14 in. Round, Aluminum Frame, Black, Raised, Chrome Base, 5.13 in. Inlet. Oiled Filter 4.0 in. Tall, No Choke, Each

Part Number: KNN-66-3200

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, Street Metal Series, Unique, Black Top, Finned, Raised Base, Cotton Gauze Filter, Red, 2.63 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3955

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, Street Metal Series, Unique, Black Top, Gloss, Raised Base, Cotton Gauze Filter, Red, 2.63 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3950

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, Street Metal Series, 10 in. Long, Oval, Black Top, Finned, Cotton Gauze Filter, Red, 2.38 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3952

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Air Cleaner, Street Metal Series, Unique, Black Top, Gloss, Raised Base, Cotton Gauze Filter, Red, 2.63 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3951

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, X-Stream Airflow, 14 in. Round, Aluminum Frame, Black, Raised, Chrome Base, 7.31 in. Inlet. Cotton Gauze Filter, 5 in. Tall, Each

Part Number: KNN-66-3090

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, Street Metal Series, Unique, Silver Top, Gloss, Raised Base, Cotton Gauze Filter, Red, 2.63 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3951S

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, RK Series, 7.0 in. Long, Oval, Aluminum, Black Gloss, Cotton Gauze Filter, Red, 1.7 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3909-1

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, RK Series, 9.0 in. Long, Oval, Aluminum, Black Gloss, Cotton Gauze Filter, Red, 2.2 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3910-1

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, RK Series, 6.25 in. Round, Aluminum, Chrome, Cotton Gauze Filter, Red, 2.125 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3933

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, Street Metal Series, 6.25 in. Round, Chrome Top, Black Base, Cotton Gauze Filter, Red, 2.13 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3945

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

• Free Shipping
• Special Order

Air Cleaner, RK Series, Teardrop, Aluminum, Chrome Top, Black Base, Cotton Gauze Filter, Red, 2.25 in. Tall, for use on Harley-Davidson®, Kit

Part Number: KNN-RK-3932

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order

Air Cleaners, Air Box, Carbon Fiber, Rectangular, Flat Base, 19 in. Lg x 7 in. Wide x 4.375 in. Tall, No Flanges, Cotton Gauze, Black/Red, Oiled. Kit

Part Number: KNN-100-8578

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

• Free Shipping
• Special Order