Fits: 413-426 Wedge & 440
AR182A is a solid valley plate made from 1/4 inch thick aluminum with a machined ribbed pattern.
The AR182A valley plate is designed to work with standard port heads such as the Trick Flow 240 on RB blocks. (413, 426W, 440).
The AR182A valley plate must be combined with the AR392 “batwings” to provide a complete seal for the valley area.
This solid valley plate is made from 6061 and can be machined or welded to add a breather or vacuum port.