4H915R - Swift Spec-R Lowering Springs - Honda Civic Si (2012-2015)

Enhance the handling and stance of your 2012–2015 Honda Civic Si with Swift Spec-R lowering springs. Designed specifically for the 9th-generation Civic Si platform, these springs improve chassis response while maintaining ride comfort for daily driving.

These Civic Si lowering springs are engineered to reduce body roll, improve steering precision, and deliver a more stable and controlled feel during cornering. The slightly more aggressive drop enhances both performance and appearance without compromising drivability.

Whether you're upgrading your suspension for spirited driving or refining your Civic’s stance, Swift Spec-R springs provide a balanced and reliable solution for the 9th-gen platform.

Key Features

• Designed for 2012–2015 Honda Civic Si (coupe and sedan)
• Improves handling and overall chassis control
• Reduces body roll and sharpens steering feel
• Maintains ride comfort for daily driving
• Balanced drop for a cleaner, more aggressive stance

Specifications
Part #: 4H915R

Spring Rates
Front: 4.7 kgf/mm
Rear: 5.4 kgf/mm

Lowering Amount
Front: -1.2 in
Rear: -1.0 in