MOUNTS MUST BE ISOLATED and not attached to ground. The Stock plastic airbox is OK, problems happen when there are metal airboxes or coil mounts fabricated. Replace your tired OEM components. Ca Cycleworks coils feature 35000+ V output and have the same primary resistance as the original coils, eliminating the problem of trying to find ignition coils compatible with the ignition modules. Kit includes ignition coils, spark plug wires/caps, NGK DR9EA spark plugs and instructions. Replaces OE 380.4.004.1B. Note: Some spark plug wire relocation may be required. OTHER POLICIES: - ...