As crate engines go, GM Performance Parts' 454 H.O. crate engine is not only a bargain at its street price of around $4,600, its forged crank, pistons, and rods also make it capable of handling nearly ...

While the streetability of a trick tunnel ram remains to be seen, we followed along on a comparison test that illustrated that at the very least a tunnel ram is much more than a simple high-rpm race ...

Peer under the hood of the fast cars at the strip or the local burger joint and you'll see the AFR logo etched into more than a few cylinder heads. Racers demand proven performance, so it's no ...