M3 Racing produces the finest parts and components for classic race motorcycles. We design exclusively for air-cooled Honda motorcycles. Mark McGrew is one of the first 100 certified Honda mechanics in the country and for 20 years served as one of Honda's senior service managers. Browse the Product and Service sections of our website and buy parts that will "put you on the box!"

Engine Parts

Superior quality components developed on the race circuit by the # 1 M3 Racing team. Browse our catalog of parts for the Honda CB750, CB450, CB350 and XL 250/350.

Engine and Bike Building Services

From complete racing engine assemblies to rolling chassis to complete bikes, Mark McGrew will custom build one for you.

M3 Racing and Historic Honda Decals

We can supply you with the proper decals from the golden era of grand prix racing. Click here for our complete catalog.

M3 Racing Apparel

Everyone want to be associated with a winner. Check out our historic Honda race shirts and cool M3 Racing T-shirts.