Cometic Gasket - C9157 For Harley Motorcycles 1999-2013 Challenger Use with any other Magnum

Use with any other Magnum brake line products or other manufacturer's brands will NOT pass FMVSS-106 criteria and will void all warranty

Anti-skid bottom keeps seat in place once snapped on with adjustable webbing system

Both pullback and straight riser options have top clamps angled at 35

Riser bases are threaded 1/2"-13 for Harley-Davidson upper tree applications

Cometic Gasket - C9157 For Harley Motorcycles 1999-2013 Challenger Use with any other MagnumFeatures Center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements Outer layers are embossed and coated on both sides with Viton to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes MLS (Multi Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE (Load Control Embossments), providing less bore