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Drivetrain products for Harley-Davidson®
There's no comparison to BAKER Drivetrain products. Our firm commitment to quality American-made parts—designed and built by the people who ride them—delivers an uncompromising product that lasts.
Improve the performance of your American V-Twin Harley-Davidson®
BAKER Drivetrain was started in 1998 because engines were making more power, but nobody was taking the drivetrain seriously. Choose the right drivetrain, chassis, and rear wheel to put the power to the ground.
All BAKER aftermarket motorcycle parts are designed and manufactured right here in America. BAKER Drivetrain continues to introduce new solutions based on empirically-based inspiration as they ride their American V-Twins and get ideas from their American riding buddies using their proven engineering methodologies.
The components for the Harley-Davidson® drivetrain aftermarket we offer are broken up into 4 catalogs: Cruise Drive era (2007-later), 5-speed era (1984-2006), 4-speed era (1936-86), and Custom/Performance (includes Big Dog and Sportster/Buell).
Armored Attitude Adjuster
$ 299.00
Stronger than the original for those with more abusive inclinations! The BAKER Armored Attitude Adjuster is an insurance policy for your motorcycle in the form of a manual chain tensioner...
34-Tooth Compensator Sprocket for Twin Cam & M8 Models
$ 129.00
BAKER Drivetrain unveils the final solution to the late model compensator problems. The BAKER Drivetrain compensator sprocket is engineered with an annular oil distribution system that scavenges primary oil and...
High Torque Bearing Kit
$ 17.99
The 34091-85 inner bearing race has been used on Big Twins since 1985. The inner primary bearing rides on this race. By design, this race press-fits onto the transmission mainshaft. This...
Basic Logo T-Shirt
$ 25.00
Not trying too hard here, this is the tried and true basic black shirt with the BAKER logo simply placed upon it. Made in the USA. 50% Cotton/ 50%...
Heavy Duty Throwout Bearing Kit
$ 99.00
People have been griping about the 37311-75 throwout bearing since it was introduced into Big Twins in 1975. Failures occur when the clutch cable is inadvertently adjusted with little to no...
OD6: Overdrive 6-Speed Builder's Kit
$ 3,195.00
This is the ORIGINAL 6-speed design that revolutionized the American V-Twin industry. It’s still the best overdrive 6-speed built to this day…hands down. Our OD6 is built to comfortably handle...
6-into-4 Complete Transmission
$ 4,395.00
Made to satisfy the old school tendencies while providing the ability to run reasonable RPM’s at highway speeds. Panhead and Shovelhead riders will love the ability to ride hard with...
F6R: Factory 6-Speed Reverse
$ 2,695.00
Designed, manufactured, tested, proven and beloved - the industry's leading reverse drive for Harley-Davidson is the easiest to use and most worry-free system. Our non-invasive reverse gear system was designed...
Factory 6-Speed Tapered Roller Bearing Kit
$ 995.00
Heal your Achilles heel with the BAKER Main Drive Gear Bearing Kit for 2007-up Big Twins! P/N 640-67 Kit includes BAKER double tapered roller bearing assembly Replacement HD main...
DD6: Direct Drive 6-Speed Builder's Kit
$ 3,195.00
* Limited supply of chrome bearing doors with ear available. Please give us a call at 517-339-3835 to order a chrome bearing door. From an engineering standpoint, it is difficult...
+1.5 Oil Pan
$ 795.00
Keep your 2009-2016 Touring Model cool. Todays Big Twin engine makes a lot more power and a lot more heat than its predecessor of 20 years ago. In 1993, the...
DD7: Direct Drive 7-Speed Builder's Kit
$ 3,695.00
The DD7 upgrades any existing 2006-later big twin 6 speed to a full 7 speed transmission. The BAKER DD7 is more than just another gear added to the mix for...
OD6: Overdrive 6-Speed Complete Transmission
$ 4,395.00
* Limited supply of chrome bearing doors available. Please give us a call at 517-339-3835 to order a chrome bearing door. This is the ORIGINAL 6-speed design that revolutionized the...
Klassic Kicker Gears
$ 399.00
We started making 6-into-4 transmissions with kickers over ten years ago. At the time, we could only purchase some Taiwanese shit kicker gears in volume because nobody made them...
Fine Tooth Adjustment Kit
$ 159.00
The BAKER primary chain adjuster bracket looks like the stock 39990-01 style bracket but has 28% more adjuster teeth. The finer pitch teeth make it easier to dial in your...
167-5-A - 5-speed Billet Steel Shift Forks
$ 279.00
Our Shift Fork Kits include all three forks and are a direct replacement for the standard O.E. 5-speed forks but with much needed improvements over the stock design. Cross section...
DD6: Direct Drive 6-Speed Complete Transmission
$ 4,395.00
* Limited supply of chrome bearing doors available. Please give us a call at 517-339-3835 to order a chrome bearing door. If you enjoy riding for long periods of time...
DD7: Direct Drive 7-Speed Complete Transmission
$ 6,395.00
This is for a complete transmission, case and all. The sprocket/pulley is not included in the complete transmission assembly. For the acquisition of these components, kindly contact BAKER Drivetrain at...
Born and Built in the USA T-Shirt
$ 25.00
Born and Built in the USA print on the front and USA design on the back. Printed on Black or Coyote Brown. Made in the USA. 100% Combed Ring...
BAKER Drivetrain Gift Card
$ 25.00
Shopping for someone else but not sure what to give them? Help them pay less on getting a BAKER product. Give them the gift of choice with a BAKER Drivetrain gift...
Born and Built in the USA White T-shirt
$ 25.00
A clean white shirt for those special moments.... Made in the USA. 100% Combed Ring Spun Cotton 4.4 oz/sq yd
4-Speed Complete Transmission
Call Us! 517-339-3835
LIMITED AVAILABILITY! GIVE US A CALL AT 517-339-3835 TO ORDER YOUR 4-SPEED TRANSMISSION NOW! Favored by those inspired by the old-school cool, garage builders and riders of the nostalgic...
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Haslett, Michigan 48840 USA | Call Us: 517-339-3835
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