AUTOLITE 2103-0414 XS3923 Xtreme Sport Spark Plug Spark Plug - XS3923 Inc User selectable features allow a

User selectable features allow a variety of run

Fitment designed exclusively for Harley models allowing for a quick and simple installation

1999-2006 Harley-Davidson 883 Custom EFI XLC 1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV 1999-2017 Harley-Davidson Dyna Low Rider FXDL 1999-2009

Unique design drops the OEM fairing mount mirrors for that cool Bagger look on models with tall bars

pulleys may not be interchanged

AUTOLITE 2103-0414 XS3923 Xtreme Sport Spark Plug Spark Plug - XS3923 Inc User selectable features allow aFeatures More focused ignition to prevent fouling than leading standard plug . 6mm finewire design with Sport V trim ground electrode engineered to offer improved ignitability and durability over a standard plug Up to 26% quicker starts than leading standard plug More horsepower and better fuel efficiency than standard plug Meets or exceeds OEM design Specs Center Electrode Projection Projected Terminal Configuration Threaded Stud Units Each Riding