C&D-Header Most Popular Parts: C&D Clutch & Driveline OE Quality Means RELIABILITY & DURABILITY Our clutch sets contain everything you need in one box, eliminating look-up errors for individual parts. Each component is new and guaranteed OE quality so you know the job will last. Special packaging protects all parts, and there are no messy cores to deal with. Beck/Arnley stocks the aftermarket’s most comprehensive line of import clutch hydraulic cylinders. In most cases, all required reservoirs and caps are included.