Poly Engine what was good/bad about it and why is the LA better?

Nice headers DART-FEVER!

Are they 'over the counter'?

Looking for some decent Poly headers if anyone has a set for a 64 truck.
(no its not a stocker lol, its a 360 Poly stroker with trick stuff)

Gary P. is the master of al things POLY!

He supplied all the parts for my mates 402ci Poly and it MENTAL.
Gary also got his friend at Schneider cams grind a special 0.525 for him too.
My mate was so happy, he flew over in person to pick it up!
TOO valuable for pigeon post lol...

EIGHT barrel Pollies, wow...