Specifications include, but are not limited to: 2.2.1.HEAVY TRUCK EMISSIONS/AFTERTREATMENT COMPONENTS 2.2.1.1. Including but not limited to: DPF / DOC / SOC / DEF Components & injectors, etc. 2.2.2.MEDIUM / HEAVY TRAILER BRAKE/WHEEL END SYSTEM COMPONENTS 2.2.2.1. Including but not limited to: Wheel Hubs / Bearings / Seals / Studs / Ends, etc. 2.2.3.HEAVY TRUCK ENGINE AIR MANAGEMENT SYSTEM COMPONENTS 2.2.3.1. Including but not limited to: Intake / Coolers / Radiators / Plumbing / Turbo, etc. 2.2.4.HEAVY TRUCK ENGINE FUEL SYSTEM COMPONENTS 2.2.4.1. Including but not limited to: Injectors / Pumps / Motors / Plumbing, etc. 2.2.5.HEAVY TRUCK COOLING SYSTEM COMPONENTS 2.2.5.1. Including but not limited to: Intercooler / Plumbing / Elbows, etc. 2.2.6.MEDIUM / HEAVY TRAILER SUSPENSION SYSTEM COMPONENTS 2.2.6.1. Including but not limited to: Springs / Bushings / Trailing Arms / shocks, etc. 2.2.7.HEAVY TRUCK SUSPENSION SYSTEM COMPONENTS 2.2.7.1. Including but not limited to: Springs / Bushings / Trailing Arms / shocks, etc. 2.2.8.HEAVY TRUCK STEERING SYSTEM COMPONENTS 2.2.8.1. Including but not limited to: Motor / Drag Link / Eye’s / Tie Rods, etc. 2.2.9.HEAVY TRUCK DRIVETRAIN COMPONENTS 2.2.9.1. Including but not limited to: Motor / Driveshaft / Transmission / Axle, etc.