Accuair ROT-120 Plastic Arm Replacement Billet Aluminum and the ride quality improvement

and the ride quality improvement combined with the aggressive stance makes this one of the best dollar-for-dollar upgrades you can make to an OBS front end

C3500 trucks carry the stoutest rear end in the OBS lineup

engineered path to get there rather than a trial-and-error mix of parts

this combo kit bundles the narrow alternator-only bracket and GM R4 A/C bracket for LS swaps

Building a complete front air setup

Accuair ROT-120 Plastic Arm Replacement Billet Aluminum and the ride quality improvementThe Accuair ROT 120 plastic arm replacement keeps your air management system running for OBS air ride and bagged dually suspension systems on 1988 1999 Chevy & GMC GMT400 trucks. Browse our full OBS air ride suspension collection or shop all OBS parts.