Cummins Turbo Diesel 4BT 3.9L Custom Intake Manifold Plate

Here we have a in house design for all 4BT Cummins 3.9 Diesel owners. ALL 3/8 AND 1/2 PLATES HAVE A 4 WEEK LEAD TIME FOR PRODUCTION UNTIL MATERIAL AVAILABILITY IMPROVES These intake cover plates are CNC Laser cut from USA made 304 stainless steel for way superior quality and finish. These stainless plates will never rust, tarnish, crack, chip, or oxidize, EVER!!! No more polishing. These have shown no failures on our trucks at up to and beyond 100# of boost with no loss of boost pressure. Ever wonder why your charge tube pops off even when bead rolled with the best clamps at high boost pressures sometimes? It's because your stock cover plate with actually move and stretch under boost levels it was not designed to handle. (over 30#)These plates also allow you to relocated your MAP sensor and your boost gauge port closer to where the boost is actually effective. You could have 80# at the horn and only 65# in the intake plenum because of boost loss in a gasket, cracked flange your anythin