The will add strength but still isnt a replacement for a sti trans or upgraded gearset. Jdm sti swapped subaru impreza 25 rs by dl performance duration.

5 Mt Transmission Bracing Moore Performance Blast Plates
Wrx blast plates work. It has been well documented and known for a long time now that the subaru 5 speed transmission isnt up to the task of holding power. Bolt heads will be on the driver or left side of the transmission case. 600hp subaru wrx sti with sequential gearbox brutal shifting. Install was straightforward could not have been easier. 8k rpm of true happiness. There are applications for holley as well.
The moore performance blast plates are an absolute must for anyone trying to make power on a wrx or other 5 speed subaru transmission. I have heard very good things about the moore performance blast plates. This is the application for an edelbrock 750 cfm carburetor. Moore performance has figured out a simple way of making your subaru 5 speed hold that power reliably and comfortably. Onboard screaming at monza. As portable units for site work or they can be built into cabinets or blast rooms.
The powerblast plate from thompson performance is a simple item that installs easily. The abrasive is li constant figure ii 2 portable direct air pressure blast cleaning machine circulation and is stored in the upper portion of the 6 courtesy of pauli griffin co san francisco california 7. The blast plates will come with a full page installation instruction sheet along with torque specs. Read this 2009 wrx 751awhp 638 lbs tq stock transmission. One less thing to deal with on tranny install day. The tech at my shop who runs these blast plates on his 2003 wrx with oem trans lgt gears ran a 107 at ifo baytown last month and a 109 in the 14 mile twice over the past weekend at ifo ennis.
I have installed a bunch of these they work great read thanks dangerous. Mattyb727 car videos recommended for you. Ill try to remember to post the time slips when i get them from him. Heres the skinny bolts should be inserted from the driver side toward the passenger side thus leaving the nuts to be tightened on the passenger side of the transmission case. Subaru wrx 5 speed gear set comparisons duration. I got the blast plates this afternoon and i couldnt wait to install them.