Star ST3901-7 Strobe replacement. For Most Star/SVP Full size and mini strobe light bars. Click on image to enlarge. ST3901-7Regular price: $54.00Sale price: $39.50 Customer Pays All Shipping Charges. Pay securely with your Visa, Master Card, Discover/Novus or PayPal with our easy checkout! Note: Purchase orders will be accepted only by municipalities and pre-approved before check out completion and Purchase Order Number received. All others will be immediately rejected and transaction voided. Place your order by Internet, Phone or stop by our Store for the same low internet prices!