2015-2023 Ford Mustang (EcoBoost, V6, GT; RWD; non‑MagneRide)
Features
H&R Super Sport progressive‑rate lowering springs for enhanced performance
Lowers vehicle for lower center of gravity and improved handling
Greater drop than standard sport springs for aggressive stance
Reduces body roll and improves cornering stability
Improves visual stance with reduced fender gap
Crafted from high‑strength 54SiCr6 spring steel
Shot‑peened and stress‑relieved for durability and long life
Compatible with many OEM and performance dampers or struts
Specifications
Part Number: 51691‑77
Front Lowering Approx.: ~1.75 inches
Rear Lowering Approx.: ~1.75 inches
Material: 54SiCr6 high‑tensile spring steel
Fitment: Rear‑wheel‑drive Ford Mustang without MagneRide
Quantity: Set of 4 springs (front and rear)
Included Components
2x Front Super Sport lowering springs
2x Rear Super Sport lowering springs
Manufacturer documentation
Product Description
H&R 51691‑77 Super Sport Lowering Springs are a high‑performance suspension upgrade designed for **2015-2023 Ford Mustang** models equipped with **rear‑wheel drive and without MagneRide adaptive damping**. These springs provide an aggressive lowered stance, dropping both the front and rear approximately **1.75 inches**, which helps lower the center of gravity, sharpen handling response, and reduce body roll during spirited driving or everyday use. The progressive spring rate design enhances both performance and ride quality compared with stock springs.
Manufactured in Germany from premium 54SiCr6 spring steel with shot‑peened and stress‑relieved processing, H&R Super Sport Springs are engineered for durability and consistent performance. This set includes a full complement of four springs for front and rear installation and is compatible with many original or aftermarket shocks and struts. The aggressive stance also gives your Mustang a stand‑out look with reduced fender gap, making this a popular upgrade for enthusiasts seeking enhanced road feel and visual appeal.
*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.
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