Calvert Racing 340-44 99-18 GM Truck Split Mono Leaf Springs, 1"

Half the weight of factory mono-leafpsrings, Calvert's parabolic split mono-leaf design is built especially for street or racing ONLY. These springs are not intended for hauling or towing.

Tested on the fastest stock suspension cars in the world, Calvert's Split Mono Leaf springs are designed to control and reduce excessive body separation in rear suspension and plants the rear tires without unloading.

All of Calvert Racing's Split Mono Leaf springs are assembled to order with grade 8 hardware and heavy-duty alignment clamps. Aluminum bushings are pressed into the front spring eyes and polyurethane bushings in the rear spring eyes, these springs have been proven to withstand over 2,500 HP at ¼ mile ETs in the 6s.

• Parabolic Split Mono-Leaf Design: Calvert's springs are designed with a parabolic split mono-leaf design, weighing only half of factory mono-leaf springs, and are exclusively built for street or racing applications. They are not intended for hauling or towing purposes.
• Performance Testing on Elite Cars: Tested on the fastest stock suspension cars globally, Calvert's Split Mono Leaf springs are engineered to effectively control and reduce excessive body separation in the rear suspension, ensuring the rear tires maintain traction without unloading during acceleration.
• High-Quality Assembly: Calvert Racing assembles all Split Mono Leaf springs to order, utilizing grade 8 hardware and heavy-duty alignment clamps to ensure long-lasting and reliable performance.
• Durable Bushings: The front spring eyes feature aluminum bushings, while the rear spring eyes are equipped with polyurethane bushings, making these springs capable of withstanding over 2,500 HP at ¼ mile ETs in the 6s.
• Proven Performance: These springs have demonstrated their durability and strength, making them a reliable choice for high-performance applications and elite racing conditions.