If you're looking for a coil-over kit for your circle track application, you are sure to find what you need with QA1. Coil-over kits contain some or all of the following, depending on the application: aluminum sleeve, spring cap, spring seat adjuster nut, wire ties, spring cap retainer pin, jam nut, and snap rings. Kits include components for one shock. Part #CK1951C also works for Streeters Shocks. Includes all components for one shock Lightweight Anodized aluminum Attributes: Brand Name: QA1 GTIN: 00806990036513 Adjustment Method: Spring Seat Manufacturer Part Number: CK7001 Material: Aluminum Mounting Hardware Included: Yes Mounting Hole Diameter: 2.1 Mounting Hole Quantity: 1 UPC: 806990036513 Extended Information: Country of Origin: US Emissions : Emissions Compliance Exempt Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 8.5 x 4 x 2.5 inches Weight: 0.542 POUNDS