Headlight Extension Block for 39-49mm Fairing Front End Fit Harley-Davidson Dyna Fork T-Sport FXDL FXDF FXDB FXDWG Motorcycle Headlight Mounting Block with Screws Aluminum BlackHeadlight Mounting Block: When installing a fairing on a motorcycle with a 39mm or 49mm front end, the headlight can be difficult to maintain and align with the fairing. Customer service will reply within 12 hours Compatibility: Fits motorcycles with a 39mm or 49mm front end with a fairing installed. Customer service will reply within 12 hours Manufacturer: ULZOZN Brand: ULZOZN Packing size: 10. 39 x 7. 01 x 3. 71 cm; 231 g Manufacturer Reference: