RS-R H231D Down Sus Lowering Springs for 17-20 Acura MDX FWD 3.5L V6

Vehicle Fitment

• 2017-2020 Acura MDX FWD (3.5L V6, 9-speed automatic)

Fitment Notes

• Front and rear lowering springs set (FWD models only)
• Not compatible with AWD or Sport Hybrid SH-AWD trims
• Direct replacement for factory springs; professional alignment recommended

Features

• Engineered to deliver a sportier stance and improved handling
• Powder-coated finish provides long-lasting corrosion resistance
• Progressive rate spring design balances ride comfort and control
• Lower ride height reduces body roll and enhances cornering stability
• Developed specifically for Acura MDX FWD chassis dynamics
• Durable high-tensile steel construction for long service life
• Precision wound coils for consistent spring rate and fitment
• RS-R backed quality assurance and manufacturer warranty

Specifications

• Part Number: H231D
• Position: Front and Rear (FWD models)
• Front Drop: ~40-45 mm (≈1.6-1.8")
• Rear Drop: ~30-35 mm (≈1.2-1.4")
• Front Spring Rate: ~4.17 kg/mm
• Rear Spring Rate: ~7.40 kg/mm
• Material: High-tensile spring steel
• Finish: Powder-coated black

Included Components

• 2x Front lowering springs
• 2x Rear lowering springs
• Installation instructions

Product Description

The RS-R H231D Down Sus Lowering Springs are engineered specifically for 2017-2020 Acura MDX FWD models. They deliver a moderate drop of approximately 40-45 mm in the front and 30-35 mm in the rear, creating a sportier stance and improving handling while retaining everyday comfort.

Constructed from high-tensile spring steel and finished with a durable powder coat, these springs are built to last under daily driving conditions. The progressive rate design improves cornering stability and reduces body roll while maintaining ride quality. Ideal for MDX owners who want a balanced blend of improved aesthetics and performance without sacrificing drivability.