[tvc2389]

did gt-40 p's come in cast and aluminum or just cast

 

[Iwannagofast]

just cast iron im pretty sure.....you can get the gt40x's in aluminum.....they may come alumimum only

 

[rodthrower2.3T]

its still cast aluminum, so to make things clear, cast iron, cast aluminum
they arent full cnc'd heads lol