RS-R T197D Down Sus Lowering Springs for 14-20 Lexus IS250/IS300/IS350 AWD GSE36

Vehicle Fitment

• 2014-2015 Lexus IS250 AWD (Base, C, F Sport)
• 2014-2020 Lexus IS350 AWD (Base, C, F Sport)
• 2016-2020 Lexus IS300 AWD (Base, F Sport)

Fitment Notes

• Fitment confirmed for AWD models on GSE36 chassis
• Designed for factory MacPherson strut front and multi-link rear
• Front drop: 25-30 mm (1.0-1.2"); Rear drop: 20-25 mm (0.8-1.0")
• Spring rates: Front 5.48 kg/mm; Rear 7.40 kg/mm
• Includes all four springs; two per axle

Features

• Mild lowering improves stance and handling while maintaining ride comfort
• Engineered to maintain OEM suspension geometry and travel
• High-frequency induction hardened and powder-coated for durability
• Vehicle-specific valving ensures balanced performance
• Maintains proper anti-roll characteristics for AWD grip
• Corrosion-resistant finish protects against road wear
• Manufactured in Japan to RS-R quality standards
• Backed by 3-year/36,000-mile warranty

Specifications

• Part Number: T197D
• Front Drop: 25-30 mm (1.0-1.2")
• Rear Drop: 20-25 mm (0.8-1.0")
• Front Rate: 5.48 kg/mm
• Rear Rate: 7.40 kg/mm
• Application: GSE36 AWD chassis (IS250/300/350)
• Finish: Powder-coat
• Warranty: 3 years or 36,000 miles

Included Components

• 2x Front lowering springs
• 2x Rear lowering springs

Product Description

The RS-R T197D Down Sus springs are a bolt-in suspension upgrade for 2014-2020 Lexus IS AWD models on the GSE36 chassis, offering a subtle yet noticeable drop with improved body control and aesthetics. Designed to maintain suspension geometry and ride comfort, this set delivers 25-30 mm front and 20-25 mm rear lowering--enough to close wheel gap without sacrificing drivability.

Featuring high-frequency induction hardened coils and a durable powder-coat finish, these springs resist sag and corrosion. With front and rear spring rates tuned to preserve AWD handling balance and overall performance, they enhance turn-in precision and reduce roll without harshness. Backed by a 3-year warranty, the T197D springs are an ideal choice for enthusiasts seeking form and function.