Specification
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Select a vehicle to find exact fit parts
Dirt Modified Springs – Highest Performance – Elite Series
Elite Series Dirt Modified springs and Stock Car springs give you the winning edge. Elite Series Coil Springs are designed to be the best of the best and are Landrum’s highest performance springs. Whether used on oval dirt cars or oval pavement cars, superior Landrum engineering and performance leads the way.
Maximum Spring Travel and Lightness
- Only the best grade of high tensile chrome silicon wire is used for manufacture of our Dirt Modified springs, and Stock Car Springs.
- Designed using the latest coil spring design software and state-of-the-art coil spring engineering methods.
- These are Landrum’s most consistent and durable racing springs.
Intensive Quality Control Processes
- Tensile and compressive stiffness of the wire is checked before the coiling process.
- An intensive heat and press process is used that is unique to the Elite Series.
- Each spring is individually tested for quality and consistent performance.
- Landrum Pull Bar Springs are tested to be within 2% of specification. We prove it with a dyno sheet provided with each spring that shows the performance of the spring as it is compressed. No other racing spring manufacturer does this.
Front and Rear Spring Sizes and Rates – Dirt Modified Springs, Pavement Modified Springs, Dirt Stock Car Springs, and Pavement Stock Car Springs
Landrum Performance has created the Elite Series line of racing coil springs specifically for IMCA and UMP series cars.
Front Springs
- 5” OD front springs are available in 9.5” length with rates ranging from 300 lb./in to 650 lb./in
- 5” OD front springs are available in 10.5” length with rates ranging from 300 lb./in to 450 lb./in
- 5.5″ OD front springs are available in 9.5” length with rates ranging from 500 lb./in to 1100 lb./in
Rear Springs
- 5” OD rear springs are available in 11” length with rates ranging from 125 lb./in to 350 lb./in
- 5” OD rear springs are available in 12” length with rates ranging from 175 lb./in to 300 lb./in
- 5” OD rear springs are available in 13” length with rates ranging from 80 lb./in to 275 lb./in
- 5” OD rear springs are available in 16” length with rates ranging from 50 lb./in to 250 lb./in
- 5” OD rear springs are available in 16” length with rates ranging from 50 lb./in to 250 lb./in
- 5” OD rear springs are available in 20” length with rates ranging from 50 lb./in to 75 lb./in
More information about the manufacturing of Landrum Dirt Modified Springs as well as our other coil springs can be found here.
Related products
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What Are Tight Helix Coil Springs?
Landrum Tight Helix Coil Springs feature more coils and tighter coil spacing. This allows for a higher spring load rate with less travel. They also achieve coil bind faster than conventional springs.
Tight Helix springs feature closely wound coils for a higher number of coils per unit length than a spring with a wider pitch. This allows for a more compact design compared to wider pitch springs.
Many racers and dealers asked Landrum to make these springs, and we delivered. Multiple test sessions were performed to ensure the perfect tight helix rear coil spring.
What Are the Benefits of Tight Helix Coil Springs?
- Reduced spring bowing which avoids shock damage that can be caused by spring contact.
- Improved handling, braking and acceleration.
- Short spring length/high load spring rate provides for a higher spring rate in a confined area.
How do Tight Helix Springs Improve Handling, Braking and Acceleration?
The increased spring rate of tight helix racing springs helps to minimize body roll when the vehicle is subjected to lateral forces during cornering. This leads to more stable and predictable handling.
Tight helix racing springs can help improve the stability of the vehicle by reducing pitch and dive under braking and acceleration. This ensures that the tires maintain better contact with the track surface.
The Best Tight Helix Coil Spring Design
Landrum high performance engineering and materials provides racers with the best Tight Helix Coil Springs.
- Designed using the latest spring design software and state-of-the-art engineering technology.
- Produced with US made High Tensile Chrome Silicon Alloy Steel for superior strength, reliability, and the ability to retain their original high-performance characteristics after repeated use.
Landrum Tight Helix Coil Springs are tested to consistently be within 2% of specification. This ensures racers get the spring rate they are expecting. We prove it with a dyno sheet provided with each spring showing the performance of the spring as it is compressed. No other racing spring manufacturer does this.
Tight Helix Coil Spring Sizes
Landrum Tight Helix Coil Springs are designed for rear suspension applications and are currently available in the following sizes.
- 5.0” OD
- Free Length: 11”
- Rates: 175, 200, and 225 lbs. per inch
See more Landrum tech information here.
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Landrum Street Stock/Stock Appearing Front Coil Springs are engineered for racing classes that require stock appearing front springs and don’t require use of spacers or weight jacks.
Street Stock/Stock Appearing Front Coil Springs Performance
- Listening to racers, Landrum engineers springs that deliver the performance they need.
- Our lightweight, durable, precision racing springs are made to the tightest tolerances in the industry. They’re guaranteed to hold their tolerance to 2% and we prove it with a dyno sheet included with each spring.
- Landrum Performance Springs deliver and maintain reliable and consistent performance for the high demands of stock car racing.
Precision Spring Manufacturing
- The highest grade of US made High Tensile Chrome Silicon wire is used for manufacture. This wire will maintain accurate spring rate and free length.
- Our springs are cold-wound, not hot-wound and then are properly heat-treated and stress-relieved.
Street Stock/Stock Appearing Front Coil Springs Sizes
Street Stock and Stock Appearing Front Coil Springs are available in a choice of diameters, free lengths, and spring rates to fit your application.
- 5” and 5.5” Outer Diameters
- 11” and 12” Free Lengths
- Rates of 100-1400 lbs. per inch
Additional Landrum Performance Springs technical information can be found here.
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Landrum Performance Front Drag Racing Coil Springs are designed to deliver the performance, reliability, and consistency you need to win. Landrum front drag race springs are taller than OEM springs and use softer rates to give your car the correct ride height while providing more stored energy for instant weight transfer during launch. This helps to give you increased torque control, reduced wheel hop, and faster 60ft and 1/4-mile ET’s.
Landrum drag race springs are available for the front suspension of GM vehicles and are offered in configurations to fit OEM A-Arms and Aftermarket A-Arms with no modifications required. Springs with a 5” outer diameter and 18” length are available for 1964-1972 GM vehicles, and springs with a 5.5” outer diameter and 18” length are offered for 1973 and newer models.
Front Drag Racing Coil Spring Rates
Our Front Drag Racing Coil Springs are available in a range of rates including:
- 150 lbs./in.
- 165 lbs./in.
- 180 lbs./in.
- 200 lbs./in.
- 225 lbs./in.
- 250 lbs./in.
Technical Information
All front springs are closed and ground on one end to provide proper contact with the frame. The opposite end is either open to properly fit into the lower control arm of OEM A-Arms or closed for Aftermarket A-Arms.
Landrum Performance Front Drag Racing Coil Springs are light weight, high travel and made with the highest-grade High Tinsel Chrome Silicon Steel wire.
The drag race springs are cold wound, not hot wound. Each is properly heat treated and stress relieved to ensure the sides of the spring remain parallel during installation.
All Landrum Front Drag Racing Coil Springs use standardized testing procedures to ensure the best quality and performance.
Our springs are powder coated and not plated which avoids hydrogen embrittlement, a condition that can be caused by electroplating and can weaken metal.
Each spring is manufactured with the highest tolerance in mind and is designed with the correct pitch and height ratio to insure a consistent rate throughout the entire cycle.
More technical and application information can be found here.
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Spring Compressor for Long Length Coil Springs
This Spring Compressor makes it easy to install our 18” Front Drag Racing Coil Springs. Standard spring compressors just aren’t long enough to properly compress 18” springs, but our spring compressor is. The spring compressor is inserted through the top shock absorber opening and a long length threaded rod allows the compressor fingers to reach down to the bottom of the spring. A position adjustable bearing located toward the top of the rod seats on the top of the shock opening so the threaded rod turns freely when the spring compressor is tensioned or loosened.
Retail Price: $169.00
To purchase a spring compressor:
- Add a spring compressor to your Front Drag Racing Coil Springs order.
- Or to purchase a spring compressor separately click here.
Download Spring Compressor Instructions:
Download “Spring-Compressor-Instructions-2.0.pdf” Spring-Compressor-Instructions-2.0.pdf – Downloaded 10005 times – 199.22 KB_______________________
