PRL SRS Collar Kit | 22+ Civic, 23+ Integra

Fits:

• 2022+ Honda Civic Base (Sedan, Hatch)
• 2022+ Honda Civic Si (Sedan)
• 2023+ Honda Civic Type R FL5
• 2023+ Acura Integra (Base, A-Spec)
• 2023+ Acura Integra Type S DE5

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 11th Gen Civic and 5th Gen Integra 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