Comp Cams Xtreme Energy XR288HR-10 Street/Strip Applications, Chevrolet AeroflowDynamics Do I need to order

Do I need to order the left side separately

Tree Frog Fresh Box Charcoal Air Freshener (200G)

Redesigned cheek pads are more contoured and comfortable than previous designs

Dry carbon fiber for light weight and durability

Comp Cams Xtreme Energy XR288HR-10 Street/Strip Applications, Chevrolet AeroflowDynamics Do I need to orderXtreme Energy XR288HR 10 Street Strip Applications, Chevrolet Hydraulic Roller Street Strip applications, works well in large c. i. street machine engines with 2500+ stall. Grind Number: XR288HR Lifter Type: Hydraulic Roller Lifter Engine Family: Chevrolet 396 454 c. i. 8 CYL. 1965 1996 Cam Family: Xtreme EnergyT Retro Fit Hydraulic Roller Camshafts Specifications Intake Exhaust RPM Range: Valve Lash: Valve Timing: Duration: Lobe Separation: Duration