you can call up chassis engineering or (ART) applied racing technology...they have them in stock..they even have them in Jeggs catelog for $79.99....(PAGE 196)..The jeggs is NOT PREFORMED..but they may carry a pre-formed..i know thr other companies do...IT'S A SIMPLE FIX FOR YOU NOW AND LATER
he might have to bend up the edges of where he cut out the factory tunnel or pop rivetsome typr of L-SHAPE lip to where the tunnel has a spot to catch the zeus fastener...if you are thr least little bit mechanically inclined its a simple job..i have done several of them....
Good luck here..i am glad to save someone future headaches and boy are you talking about a Big ONE IF YOU EVER HAVE TO TAKE ONE OUT OF THE BOTTOM OF A STOCK LOCATION WITH A BIG BLOCK WHERE A SMALL BLOCK USE TO BE.....OHHHHH IT GIVES ME COLD CHILLS TO THINK ABOUT THAT JOB.....
Brian
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "