K&N Engineering Replacement Element for RK-3929 Custom Air Filter wfpush Dyno-tested to deliver +4

Dyno-tested to deliver +4

designed to upgrade or replace your existing component for improved performance and aesthetics

ensuring a secure and flush fit

Hexagonal hole (I

Ideal for those who appreciate automotive culture and want to showcase their passion even off the road

K&N Engineering Replacement Element for RK-3929 Custom Air Filter wfpush Dyno-tested to deliver +4K&N Engineering Replacement Element for RK 3929 Custom Air Filter Universal Fitment Part #: E 3040 Overview The K&N Engineering Replacement Element for RK 3929 is a high quality, washable air filter designed specifically for Harley Davidson RK Series motorcycles from 1990 to 2023. Crafted to replace the original air filter element, this component is engineered to optimize airflow into your motorcycles engine, supporting improved performance and