The Bully Dog 85250-1 Turbo Gasket has a stainless steel double jacket with reinforced graphite filler. The reinforce graphite has good compressibility to provide a constant seal while able to withstand high temperatures. The double jacket creates a stronger gasket that prevents exhaust blowouts and prevents velocity erosion. All gasket kits are secured inside a box to eliminate gasket damage that can occur from shipping ensuring quality undamaged reliable gaskets on arrival. Features: Reinforced Design Prevents Exhaust Blowouts Replaces OEM Part #: 1S-4295 Caterpillar Applications: 1994-2004 14.6L 3406E 1989-2003 15.8L 3406E 1997-2003 12.0L C-12 1999-2004 14.6L C-15 1999-2003 15.8L C-16 Not available for sale in the state of California Click here to read Emissions Notice.