Rides and Events

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




Check out the New MJK Performance Parts Store with our new product line of CNC custom parts made in mind for Harley Davidson FXR's, Dyna's and Bagger's.




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 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 True 5 Axis HURCO CNC Machine and HURCO Turning Center CNC Machine.

We are passionate about providing the motorcycle consumer 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 DavesTwo Brothers Racing, Kali Protectives, Legends Suspension to name a few. These products can be purchased through our online store.

We also are dealers for many of the major motorcycle parts companies including: Parts Canada, S&S Cycles, JIMS, Morris Magnetos, Barnett Clutches & Cables, Kustom Tech, Custom Chrome, Tech Cycle, Baker Drivetrain, Dyno Jet, Mid- USA, Kraft Tech and many other companies.

MJK Performance is a fully licensed, certified motorcycle repair and service shop. 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.

Our shop has an open door policy and offers a community motorcycle lift to our customers when they purchase parts directly from us. Customers can install their own parts with expert advise and a full array of shop tools to use.

We invite you to come to our shop located at Unit 110 – 2845 23 Street NE, Calgary, Alberta and see for yourself what MJK Performance (Mad Jap Kustoms) has to offer!

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