Small Block Chevy Header Gasket Kit fits Lightning, Most Over Transom Headers 

Small Block Chevy Header Gaskets

These gaskets, made by Hardin Marine are used with Small Block Chevy Lightning Headers, and over transom headers such as Bassett or Rewarder Headers. These are high quality original equipment style gaskets die cut to exacting size and shape for the perfect fit every time. These gaskets have round ports for use with headers. Sold as pairs.