The breakthrough of the 11R 227—a tip of the hat to the cylinder head’s 11-degree valve angle and fully CNC’d 227cc intake ports—is less revolutionary than evolutionary. It takes lessons learned from ...

Horse Sense: For about a year after Trick Flow stopped offering the original Street Heat cylinder heads, they were still available from Wil-Burt, the company that cast the heads for Trick Flow before ...

When we first got a look at our sample pair of Trick Flow Twisted Wedge CNC heads-the first ones let out of the factory-we were impressed. Compared side-by-side in our photographs, you can see the ...

This is Trick Flows first entry into the Mopar cylinder head market. The head fits B and RB engines with 4.320 or greater bore. That includes the 383, 400, 440 and larger derivatives. The intake is ...