Turbo Outlet to Upper Intake Manifold O-ring seal for 6.5L diesel engines equipped with center-mounted GM6 & GM7 Turbos. Common applications for this O-ring include: GMC & Chevy Vans and P-series chassis, Grumman Workhorse chassis and Civilian H-1's and Military HMMWV's with the 6.5L turbo diesel engine.
