The Beans 210003 rocker box is a 6061-T6 replacement for 2006 and newer 5.9L and 6.7L Cummins engines. The Beans page does not stop the fitment at 2018. This store's fitment field lists 2006-2018.

What you get

• One billet aluminum rocker box
• Six alloy-steel socket-head screws

Specs

• About 1/4 inch of extra internal clearance
• Fits 14 mm and 9/16-inch head studs without modifying the box
• Uses the factory Cummins rocker-box gasket, which is not included
• Raw machined finish on this listing
• Machined in Woodbury, Tennessee

Confirm the engine is a 2006 or newer 5.9L or 6.7L Cummins, including any year after 2018, before you order.