Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Despite the intake-valve angle change, the head is a 100-percent ...

We had heard good things about Trick Flow Specialties 23-degree aluminum heads. If the claim was true that we could expect serious horsepower gains over stock heads and even some aftermarket cast-iron ...

We’re moving right along with our Summit Racing 427-ci small-block Chevy build. We started with a bare SPC engine block, and we’re building it from the bottom up. We left off last time with an ...