Shipping Policy

Ships to US only

Note that delivery dates displayed on product detail pages and tracking information are estimates only.

We will process and ship out your order within 1-2 business days upon clearance of the payment. You will receive a tracking number as soon as your order has been processed. “Business days” for ship-out or delivery timeframes refer to Mondays through Fridays only. This does not include Saturdays, Sundays, and holidays that fall on a weekday when counting business days. does not ship to PO Box, mailbox, HI, PR, AK, GU, and APO/FPO addresses.

Delivery Timeframe

Most orders are processed for shipment or leave our warehouse within 24-48 hours of your order confirmation date unless otherwise specified. Delivery or transit times will vary depending on the size of the package and the delivery location. Small and medium-sized packages are generally delivered within 3-7 business days (excluding weekends and holidays) from the date the packages leave our warehouse. In addition, there may be instances in which orders with multiple parts/items will have multiple tracking numbers depending on which warehouses the parts/items will be coming from. Please note that we disclaim all liability for orders that do not meet anticipated delivery dates.

Total shipping time = processing time + shipping time (Business Days)


  • Free Shipping:All our products come with free shipping by default (excluding expedited shipping)
  • Expedited shipping: $29.9, 2 to 5 business days (expedited shipping is available for most small and medium-sized packages)


In order to provide all our valued customers with the most up-to-date and accurate compatibility information, GSTP is continuously implementing real-time updates to our line store. Due to the immediate nature of these updates, the correction of any errors or omissions might happen at any time without prior notice. This information may include but is not limited to pricing, availability, suggested use, fitment, compatibility, and warranties. GSTP is not responsible for any additional labor cost, charge, loss, or damage incurred as a result of correct or incorrect information, reference, or products purchased from GSTP. While we are working to avoid any errors or omissions that may appear on the GSTP website, we reserve the right to cancel any undeliverable orders based on inaccurate information.