Competition Engineering Rear Frame Rail Kits C1445
$1,535.00
Rear Frame, Suspension Kit, 4-Link, Steel, Welded, 26 in. Width, 125 lb. Springs, Coilover Shocks, Kit
Buy Competition Engineering Rear Frame Rail Kits C1445 Online
The Competition Engineering Rear Frame Rail Kits C1445 is a premium chassis upgrade engineered for serious drag racing and high-performance street applications. Designed with a 26-inch wide Magnum Series 4-link configuration, this complete rear frame rail c10 rear frame rail kit delivers exceptional strength, stability, and suspension performance for vehicles producing substantial horsepower. Built from rugged 2″ x 3″ x 0.083″ steel frame rails, the kit is factory welded for precise fitment and reduced fabrication time while maintaining superior structural integrity.
This kit includes a heavy-duty crossmember, diagonal link, driveshaft safety loop, upper shock crossmember, aje colt 65 suspension upper and lower shock mounts, 12-way adjustable single-adjustable coil-over shocks, and 125 lb/in coil springs, providing everything needed for a professional rear suspension installation. The specially engineered frame rail profile offers excellent clearance for suspension components, wide rear tires, and low ride heights, making it ideal for competitive motorsports and custom performance builds.
Whether you’re building a race car from the ground up or upgrading an existing chassis, the Competition Engineering Rear Frame Rail Kits C1445 provides outstanding durability, improved traction, and rear frame rail kits enhanced handling under demanding conditions. With precision-manufactured components and race-proven engineering, this complete kit helps maximize power transfer, improve launch consistency, and deliver reliable performance on the track.
Product Specifications -Competition Engineering Rear Frame Rail Kits C1445
| Specification | Details |
|---|---|
| Product Name | Competition Engineering Rear Frame Rail Kits C1445 |
| Manufacturer | Competition Engineering |
| Manufacturer Part Number | C1445 |
| Product Type | Rear Frame Rail Kit |
| Series | Magnum Series 4-Link |
| Application | Universal Performance / Drag Racing Chassis |
| Rear Frame Rail Width | 26 inches |
| Frame Rail Material | Steel |
| Frame Rail Finish | Natural |
| Frame Rail Dimensions | 2″ x 3″ |
| Frame Rail Wall Thickness | 0.083 inch |
| Factory Welded | Yes |
| Crossmember Included | Yes |
| Crossmember Width | 60 inches |
| Diagonal Link Included | Yes |
| Diagonal Link Diameter | 0.75 inch DOM Steel |
| Rod Ends Included | Yes |
| Driveshaft Safety Loop | Included |
| Upper Shock Crossmember | Included |
| Upper & Lower Shock Mounts | Included |
| Shock Type | Coil-Over |
| Coil-Over Shock Type | Single Adjustable (12-Way Adjustable) |
| Coil-Over Springs Included | Yes |
| Spring Rate | 125 lbs./in. |
| Spring Height | 12 inches |
| Spring Diameter | 2.5 inches I.D. |
| Rear End Housing Included | No |
| Ride Height Adjustment | Up to 6 inches |
| Installation | Welding Required |
| Quantity | Sold as a Complete Kit |
Key Benefits of Competition Engineering Rear Frame Rail Kits C1445
- Maximum Chassis Strength – Heavy-duty 2″ x 3″ steel frame rails provide exceptional rigidity for high-horsepower applications.
- Complete Rear Suspension Solution – Includes frame rails, crossmember, diagonal link, shock mounts, coil-over shocks, springs, and driveshaft safety loop.
- Improved Traction – Magnum Series 4-link suspension geometry helps transfer power efficiently for harder launches.
- 12-Way Adjustable Coil-Over Shocks – Fine-tune suspension performance for drag racing or custom chassis setups.
- Wide Tire Clearance – Engineered frame rail profile accommodates wider rear tires and low ride heights.
- Precision Factory Welding – Jig-welded components reduce fabrication time while ensuring excellent fit and alignment.
- Enhanced Safety – Integrated driveshaft safety loop helps contain the driveshaft in the event of U-joint failure.
- Adjustable Ride Height – Shock mounting system provides approximately 6 inches of ride height adjustment.
- Race-Proven Durability – Built from premium steel and designed to withstand demanding racing conditions.
- Ideal for Custom Builds – Perfect for drag cars, street/strip vehicles, muscle cars, hot rods, and custom chassis projects.
- Professional-Level Performance – Designed to improve suspension tuning, handling stability, and launch consistency.
- Long-Term Reliability – Durable materials and high-quality components deliver dependable performance season after season.
What is included in the Competition Engineering Rear Frame Rail Kits C1445?
The kit includes welded frame rails, crossmember, diagonal link, driveshaft safety loop, shock crossmember, shock mounts, 12-way adjustable coil-over shocks, and 125 lb/in springs.
Is the Competition Engineering Rear Frame Rail Kits C1445 suitable for racing applications?
Yes. It is specifically designed for high-performance and drag racing builds, offering superior chassis strength, suspension adjustability, and improved traction.

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