High-Quality Stock, Aftermarket, and Custom Harley-Davidson Parts

Baystate Motorcycle Service uses only the best names in Harley parts and accessories. We offer next day parts delivery from most of our vendors. We also offer full machine shop service to custom-build any part you can dream of. We carry and install a full line of:

  • High-Performance Exhaust Kits
  • V-Twin Engine Parts and Tuning
  • Chrome Parts, Trim, and Front-End Packages
  • Quality Brakes, Wheels, and Tires

Our Vendors

Drag Specialties is an industry-leading dealer-distributor of aftermarket parts and accessories for Harley-Davidson. Two things go hand in hand at Drag: quality and quantity. They offer the widest selection of premium parts and accessories with unbeatable service to boot. If it's new, innovative and — above all — top quality, Drag Specialties will have it.
Tucker Rocky Distributing is a world-wide leader in the wholesale distribution of aftermarket parts, accessories and apparel for the powersports industry. We stock and sell over 75,000 items for street bikes, off-road motorcycles and ATVs, as well as all the accessories and apparel needed by the people that ride them.
Biker's Choice is one of the world's leading distributors and marketers of name-brand parts, accessories, and apparel for American motorcycles and the people who ride them. At Biker's Choice, the company is filled with riding enthusiasts just like you. People who have a passion for what they do, the industry they are in and the product they sell. They know quality, value and performance when they see it, and its not only their passion and personal promise to provide customers only the best product the world has to offer.
V-TWIN MFG supplies aftermarket products for Harley-Davidsons, through dealers and repair shops worldwide. They are one of the original aftermarket companies supplying products for Harley-Davidsons through stocking dealers and repair shops worldwide. They carry over 30,000 different parts, including hard parts for engine and transmission rebuilding, carburetion, chassis, fork components, and wheels to fit models from the 1930's on up.
S&S Cycle has been in the business of manufacturing high quality, high performance engine components for over 50 years. What started as a passion for speed, grew into the best known company name in the V-Twin high performance aftermarket.
D&D Exhaust exhaust systems are some of the leading performance motorcycle exhaust systems in the world. Built by a reputation of excellent customer service, quality in every detail of the product, and the basic value of a system that performs as specified. The management of D&D has the wisdom to realize they don't know it all and the desire to learn. Their motto is "a thousand tests are worth a million expert opinions."
Thunderheader high-performance exhaust systems are specifically designed for the Harley-Davidson V-Twin engine. The exhaust system has a very dramatic effect on how a engine operates throughout the entire RPM range. Not only will the exhaust system affect peak horsepower, torque & RPM, it also can change throttle response, gas mileage, vibration & engine temperature.