Payment and Shipping We accept cash check, Visa, Mastercard, American Express and Discover. Also C.O.D via carrier of your choice. Please do not send cash! We will only accept cash on a walk in basis. Prices are subject to change without notice and are in U.S dollars. We also accept commercial accounts for retailers. Ask us for a credit application. Terms are 30 days from statement date. On orders shipped inside the Continental U.S are shipped via UPS Ground, UPS next day air, UPS 2nd day air, and UPS 3 day select. Shipments to Hawaii and Alaska are sent via UPS air. For our Global customers please inquire about overseas shipping. If you decide to have Atlas Diesel Injection Specialists service your needs, you may choose any shipping company (UPS, Fedex, DHL, etc) from there your order will be inspected and cost evaluated for your approval.