New in original package--plates to install Hooker or Sthal pattern headers on std 23 degree SBC heads --these allow you to run header tubes bigger than 1 3/4 on std heads be it stock or any aftermarket aluminum--1 3/4 is biggest you can get on regular head --just port to match your head and header and works like a charm--Over $180 on Ebay etc
$50 shipped FREE!!!!!!!! dusterdave173@gmail.com
