King Motorsports Unlimited, Inc. - Mugen Performance Products for Honda and Acura

Wheel Nostalgia: Mugen M7

Huge thanks to our friend Russell Laviolette (IG: @paroykos) for writing up the following bit of Mugen history! The M7 is truly a unique wheel and we love seeing the passion and time that Russell and others put into restoring and preserving these wheels.



The Mugen M7 has come to be regarded by many as one of the most important and well designed wheels in SpoCom history. But it wasn't always so. Its popularity has increased ten-fold in recent years and prices have followed. Initially designed for the NSX chassis the wheel ranges in diameters from 15" to 17" and widths between 6.5" to 9". The smaller sizes suited the expanding Civic lineup as well as larger Honda platforms like the Integra and Legend. The wheel consists of a billet aluminum face cut in the bowels of some of the earliest CNC machines and assembled using unorthodox aluminum 12pt flange bolts (M6x20). The barrels are spun aluminum and bare a specification decal similar to those seen on late MR-5s. In addition a very unique Mugen decal is present, likely indicating a production sequence. One other bit of information is present on the rear lip of the barrel in the form of a two digit number. Besides this no other markings indicate the mysterious history of this wheel or its date of manufacture. Some sources speculate that Enkei likely lent a strong arm in the production process, but recent research has indicated otherwise. M-Tec (Mugen) has informed me (via another source) that, similar to the MR-5, the M7 was produced by Fortran. Despite this it's possible that even Fortran used another manufacturer as this kind of outsourcing is common in Japanese wheel production. Fortran would discontinue operations by the mid 90's which may explain the short, but plentiful, production run of the M7. Practically the wheel has little usage in competitive circumstances due to its increased weight, but is a beautiful cruising wheel on nearly any Golden Era Honda chassis. I anticipate the wheel's popularity will continue to grow in coming years and further solidify itself as one of the quintessential wheels for any Mugen collector.

*Notice the details of the prototype wheel pictured. It is missing the distinct Mugen emblem on the spoke and likely has a different finish than production versions. 

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