Cutout assembly » Housing is manufactured from 6061-T6 billet aluminum and machined down to .600" thick to ensure flatness. » Double sealed butterfly to ensure no leaks » "Bull Nose" butterfly seals in matching "Bull Nose" seat » High temp o-ring to ensure complete seal » Housing is CNC machined to insure positive seal to "Y" pipe » 303 Stainless Steel Butterfly » Stainless steel shafts » Stainless steel coupler » Stainless steel hardware » Proven dependable gear reduction drive motor » Extra thick gasket which seals better as wells as helps insulate against heat » Slotted mounting bolt holes for flexibility in mounting position » High Quality stainless steel mounting bolts and nuts » Built In Thermal Protection device to protect motor from overload Harness » Weather tight connectors on all outside connections » 5 amp quick blow fuse built into harness » 16 ga. Heavy Duty heat resistant wire » Labeled positive and negative leads for ease of installation and INCLUDES (2) Race Ready Performance Y-pipes