PRL SRS Collar Kit | 16-21 Civic

Fits:

• 2016 - 2021 Honda Civic 2.0L (Coupe FC4, Hatch FK7, Sedan FC2)
• 2016 - 2021 Honda Civic 1.5T (Coupe FC3, Hatch FK7, Sedan FC1)
• 2017 - 2020 Honda Civic Si (Coupe FC3, Sedan FC1)
• 2017 - 2021 Honda Civic Type R (Hatch FK8)

Fills the factory subframe mounting bolt gap for a tighter, more secure fit.

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Most drivers never realize how much slack sits in their subframe mounting points from the factory. Honda's engineers had to balance performance against comfort, cost, and ease of assembly, and on the 10th Gen Civic that meant subframe mounting holes 2mm larger than the bolts themselves — room enough for the subframe to shift and vibrate under hard cornering or braking, dulling steering sharpness in the process.

PRL's SRS Collar Kit closes that gap precisely, giving the subframe a snug, secure fit with no extraneous movement. The result is less vibration, sharper handling, and more chassis rigidity, whether you're chasing lap times or just want a tighter-feeling daily driver. Collars are machined from 6061 aluminum and black anodized for lasting durability.

Features

• Precisely machined to fill the factory 2mm subframe mounting bolt gap
• Reduces vibration and unwanted movement under hard cornering or braking
• Improves handling and increases chassis rigidity
• Well suited for track, autocross, or everyday driving
• 6061 aluminum construction, black anodized finish