Deviant Race Parts Cummins Exhaust Manifold Bolt Kit 86601 Deviant Race Parts Cummins Exhaust Manifold Bolt Kit 86601Socket head cap screws and lock washers provide a very clean install of your cummins exhaust manifold. Allen Head Bolt Kit for All L6... MSRP: Was: Now: $24.80 Out of stock. Please Call For Availability