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Rides and Events

Looking for somewhere to ride to or something to do, check out our Rides & Events Page.


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Check out the MJK Performance Parts Store with our new product line of CNC custom parts made in mind for Harley Davidson Performance Baggers.


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See in real time what is happening at the MJK Performance Shop!



MJK Performance (formerly known as Mad Jap Kustoms) started in 2007, we are a family owned and operated business located in Calgary, Alberta, Canada.  MJK Performance has a solid reputation in the North American motorcycle industry and is known for our high quality standards and customer service. We are one of the industry leaders and innovators in aftermarket Harley-Davidson motorcycle parts manufacturing in Canada.

Our specialization; aftermarket products for Harley-Davidson motorcycles. All of our products are designed, engineered and produced in-house on our state of the art Matsuura MX-330 5 Axis CNC Machine, True 5 Axis HURCO CNC Machine and HURCO Turning Center CNC Machine.

We are passionate about providing the motorcycle consumer with a better looking and longer lasting aftermarket Harley-Davidson part for their motorcycle. Our parts are made from high grade aluminum, stainless steel and titanium with adherence to precision and quality.  Each part is crafted with attention to functionality without compromising style. We feel the devil is in the details and is what sets us apart.

Our product list continues to grow with new items coming online weekly, so be sure to check our online store often!

Other custom motorcycle parts manufacturing companies we support that embody the same MJK Performance quality standards include: Horse Power IncLucky DavesKlock Werks, Frankenwerks Fabrication, Legends Suspension to name a few.

We also are dealers for many of the major motorcycle parts companies including: Parts Canada, Ohlins USA, S&S Cycles, Barnett Clutches & Cables, Brocks Performance, Baker Drivetrain, Pit-Bull Motorcycle Stands and many other companies.

MJK Performance is a fully licensed, certified motorcycle repair and service shop with our main focus on parts manufacturing. We have been featured in many motorcycle magazines including: Street Chopper, Easy Rider, Cycle Source, Vibes, Show Class, Extreme Bikes, Cycle Canada to mention a few.

We invite you to come to our shop located at #7866 10 Street NE, Calgary, Alberta and see for yourself what MJK Performance (Mad Jap Kustoms) has to offer!

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