Cognito Bushing Kit For Upper Control Arms On 11-19 Silverado/Sierra 2500HD/3500HD Ford F-350 These 8" rings will also

These 8" rings will also fit most 8" speakers

This is the FASTEST & EASIEST way to upgrade your stock Ride Command System to a new Performance Audio system

easy to use mount

Frequency Response: 45Hz~20 KHz

25-hour DIY install time

Cognito Bushing Kit For Upper Control Arms On 11-19 Silverado/Sierra 2500HD/3500HD Ford F-350 These 8" rings will alsoBushing kit for older Cognito upper controls arms that had greaseable pivot bushings, 2011 2022 GM 2500 3500. Details: Bushing kit for older Cognito upper controls arms that had greaseable pivot bushings, 2011 2022 GM 2500 3500 Fits: 11 19 GM 2500HD 3500HD 2WD 4WD Trucks Compatibility Year Make Model Sub Model 2011 2019 GMC Sierra 3500 HD SLT 2011 2019 GMC Sierra 3500 HD SLE 2011 2019 GMC Sierra 3500 HD Denali 2015 2019 GMC Sierra 3500 HD 2011 2019