Description Overview Brand: Competition Engineering Manufacturer’s Part Number: C1445 Part Type: Rear Frame Rail And Suspension Kits Product Line: Competition Engineering Rear Frame Rail Kits Summit Racing Part Number: CEE-1445 UPC: 084663014451 Rear Frame Rail Overall Width (in.): 26 in. Rear Frame Rail Kit Style: Magnum series 4-link Rod Ends Included: Yes Frame Rail Material: Steel Frame Rail Color: Natural Frame Rail Material Thickness (in.): 0.083 in. Frame Rail Width (in.): 2.000 in. Frame Rail Height (in.): 3.000 in. Factory Welded Frame: Yes Crossmember Included: Yes Crossmember Width (in.): 60 in. Diagonal Link Included: Yes Diagonal Link Diameter (in.): 0.75 in. Driveshaft Safety Loop Included: Yes Upper Shock Crossmember Included: Yes Upper and Lower Shock Mounts Included: Yes Shocks Included: Yes Shock Type: Coilover Coilover Shock Type: Single-adjustable Coilover Springs Included: Yes Coilover Spring Rate (lbs/in): 125 lbs./in. Coil Spring Height (in.): 12.00 in. Coil Spring Diameter (in.): 2.50 in. Rear End Housing Included: No Quantity: Sold as a kit. Notes: 12-way adjustable coil-over shock. Competition Engineering Rear Frame Rail Kits Competition Engineering rear frame rail kits are designed to save you hours of fabrication time. They are individually welded on precise jigs for unmatched accuracy, getting you hooked up and winning right out of the box! Choose between: * Ladder bar and 4-link frame rails * 24, 26, and 28 in. widths * Coil spring mounts with either 3-way adjustable racing shocks or aluminum coilover shocks * Five different coil spring rates, based on your car’s rear-end weight Note: Requires additional welding for installation.