The PDI 9445K Installation Kit is a complete set of gaskets and seals needed to install our Big Boss Exhaust Manifold on all Cat C15, C16, and EModel Engines. 

Included with the kit:

One Piece Seamless Sleeve Gaskets
Turbo Flange Gasket
Premium Hardened Manifold Studs
Specialty Material Nut Fasteners
Turbo Drain and Feed Line Gaskets
Turbo Charge Pipe Connection O-Rings