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PLEASE NOTE:  UPS, FedEx, and USPS are all experiencing unprecedented volume increases and service impacts on domestic and international services, as well as occasional weather impacts. Shipments may take longer than usually predicted, so the best way to ensure the fastest delivery on urgent shipments is to select one of the expedited services as the carriers put them before the standard services such as Ground, Home Delivery, First Class Mail, or Priority Mail even if the standard and expedited services are both normally 1 or 2 day delivery. USPS will miss a daily pickup here on occasion, and their distribution and customs clearance processes can take longer on international shipments so we recommend UPS or FedEx if you want the fastest, most reliable service regardless of the destination. Insurance claims for lost packages can only be made after there has been no tracking updates for 30 days and claim limits are $50 to $100 depending on the service used, except for First Class Mail which has NO Insurance. For the latest updates, please see the Service Alert pages on the carrier websites- ,, and




WARNING: Cancer and Reproductive Harm-    See Proposition 65 Information for more on this Consumer Product Exposure Warning for residents of California.

These items are intended for closed-course competition only. Alteration of emissions-related components can constitute violation of federal and/or state laws. Substantial fines and penalties can result if used for other than closed-course competition use.