Key Specs

MFG. Part #
PositionRear
Spring Rate
Free Height13"
Outside Diameter5"
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Details

Landrum Coil Springs, proudly Made in the USA, deliver precision-engineered performance for automotive suspension systems. Crafted from premium Chrome Silicon wire, these springs ensure maximum durability and consistent performance. Each spring is cold-wound, heat-treated, and stress-relieved to maintain parallel sides during installation, with a powder-coated finish to resist corrosion and prevent hydrogen embrittlement, extending spring life.

Designed for proper fit and consistent spring rates, Landrum Coil Springs feature closed and ground ends for secure contact with jack plates and spring seats. Rear springs are optimized with the correct pitch and height ratio to deliver reliable performance throughout their cycle. Every spring includes a dyno sheet detailing dynamic rate and force output in 0.200" increments, providing precise data for predictable suspension adjustments.

Key Features:

  • Precision Design: 13" length x 5" OD, ideal for high-performance suspension systems.

  • Premium Material: Made with high-tensile Chrome Silicon wire for superior strength.

  • Advanced Manufacturing: Cold-wound, heat-treated, and stress-relieved for consistent performance.

  • Corrosion Resistance: Powder-coated to protect against hydrogen embrittlement and extend spring life.

  • Detailed Testing: Includes a dyno sheet with dynamic rate and force output for precise tuning.

  • Custom Options: Custom winding available for tailored suspension solutions.

  • Versatile Application: Suitable for racing, street, and off-road vehicles.

Specifications

KEY SPECS
MFG. Part #
BrandLandrum
PositionRear
Spring Rate
Free Height13"
Outside Diameter5"
Inside Diameter4"
Material TypeSteel
FinishMatte
ColorGray/Silver
Suspension Height AdjustmentStock Height
Spring Rate Range
Intended for Street UseNo
GENERAL
Sold in QuantityEach
Progressive Rate SpringNo
Bushing IncludedNo

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