410's - you'll wanna change those to 355's or 327 with a KB. Traction baby.
Powerheads.com does a good headswap package, that's where I got mine.
There's other places too.
There's a link to one in my PI headswap thread if you wanna check it out too.
Powerheads.com does a good headswap package, that's where I got mine.
There's other places too.
There's a link to one in my PI headswap thread if you wanna check it out too.
