H&R 51691 Sport Lowering Springs for 2015-2023 Ford Mustang V6/V8/EcoBoost RWD

Vehicle Fitment

• 2015-2023 Ford Mustang (EcoBoost, V6, GT, Bullitt; RWD; no MagneRide)

Features

• H&R Sport progressive-rate lowering springs engineered for improved handling
• Lowers center of gravity to enhance cornering stability and response
• Reduces body roll compared with stock suspension
• Improves visual stance with reduced fender gap
• Precision wound from high-strength 54SiCr6 spring steel
• Shot-peened and stress-relieved for durability and long service life
• Balanced ride quality for everyday driving and occasional spirited use
• Compatible with OEM or many aftermarket shocks/struts

Specifications

• Part Number: 51691
• Front Lowering Approx.: ~1.3 inches
• Rear Lowering Approx.: ~1.1 inches
• Material: 54SiCr6 high-tensile spring steel
• Fitment: RWD Ford Mustang without MagneRide damping system
• Quantity: Set of 4 lowering springs (front and rear)

Included Components

• 2x Front sport lowering springs
• 2x Rear sport lowering springs
• Manufacturer documentation

Product Description

H&R 51691 Sport Lowering Springs are a popular performance suspension upgrade designed for **2015-2023 Ford Mustang** models including EcoBoost, V6, GT, and Bullitt trims, all in rear-wheel-drive configuration without the MagneRide damping system. These springs lower the vehicle's ride height by approximately **1.3 inches at the front and 1.1 inches at the rear**, helping reduce the center of gravity and body roll while sharpening handling and cornering response for spirited driving and everyday use.

Crafted in Germany from high-strength 54SiCr6 steel with a progressive rate design, H&R Sport Springs deliver improved stance with reduced fender gap and a balanced combination of performance and comfort. The kit includes four springs for front and rear installation and is compatible with many factory and aftermarket shock absorbers, making it a straightforward upgrade for Mustang owners who want enhanced driving dynamics and an aggressive visual stance without sacrificing everyday ride quality.