Cometic MLS Exhaust Manifold Gasket - Nissan Silvia 180SX SR20DET - C4200-030Cometic Exhaust Manifold Gaskets utilize the same technology that goes into Cometic Headgaskets. Offered in MLS (Multi Layered Steel) Cometic Exhaust Manifold Gaskets will give you years of reliable performance. Features Maintains Torque Setting Withstands Different Combinations of Cylinder Head & Exhaust Manifold Materials Will Not Push Out or Burn Through Fitment 1991 1998 Nissan 180SX SR20DET 1990 1994 Nissan Pulsar GTI R SR20DET 1991 1993 Nissan