Flat Style: No step down for the gauge, it will mount flat on the panel.
Recessed Style: Gauge will have a step down on the panel and recess a little on the panel.
**Due to the “Kit” Nature of this Product Gauges sometimes ship from multiple locations. Average delay of of 3-5 Business Days depending on your location from the shipping warehouse may apply. Gauges, Dashes and / or Wiring Harness’s Ship from Carson City Nevada within 1-2 business days, we have Gauge Warehouse locations in California, Nevada, and Illinois. Delay of 1-2 days in processing / shipping time may apply on Gauges. We do our best to combine shipping as much as possible but we also want to make sure you receive your order as quickly as possible. Complete / Combined orders usually process next business day and you will have a tracking # and / or status on your shipment and / or delays within 72 business hours of your order processing. Thank you for your patience and understanding.