Seimitsu's "SE P=40" mounting plate is considered by many players as the company's most versatile plate. This plate will attach to a wide variety of case mounts such as:
- Hori Real Arcade Pro (HRAP) 3 SA/SE
- HRAP V3/VA SA
- HRAP 3 and licensed HRAPs such as the Arcana Heart joystick
- Qanba™ Q4RAF
- MadCatz™ TE
The P-40 covers mounting points of the LS-58-01, LS-56-01 (as used to mount LS-56-01 in HRAP 3), and possesses the same screw mount positions utilized by the Sanwa JLF TP-1.
~Much thanks to SRK's George C for the information.
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Seimitsu
Seimitsu LS 58 SE Flat Mounting Plate P=40
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Great Quality, Fits Perfect!
I struggled to find a mounting plate that works on a Seimitsu LS-56 joystick in my Qanba Q1. This fits in it perfectly, especially if you enjoy using shorter sticks! My old mounting plate was held together with 2 screws, and it caused my joystick inputs to get stuck due to the gradual warping of the plate. With this, I will never have to worry about it again! All 4 screws fit beautifully! Thank you! Jacob on Jul 16th 2026