Baker Drivetrain
Baker Drivetrain is a premier manufacturer of high-performance Harley-Davidson transmission systems, precision gear sets and drivetrain components. Built for long-term durability and smooth, accurate shifting, Baker products enhance torque handling, gear stability and overall drivetrain reliability. From DD6/DD7 gear sets to primary rebuild kits and heavy-duty bearing upgrades, their components deliver improved performance for Twin Cam, Evo and Milwaukee-Eight models. Riders and builders trust Baker for industry-leading craftsmanship and proven drivetrain engineering.
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Baker Drivetrain - 6-4SSB-A - Bearing Support - Mainshaft - Outer - Fits 1970-1984 OEM 1" shaft 4-speed transmissions
Baker Drivetrain
$249.95Baker Drivetrain - 6-4SSB-A - Bearing Support - Mainshaft - Outer Features Sleek minimal design Supports both standard offset and dished offset sprockets, accommodating wider tire...$249.95 -
Out of stock
Baker Drivetrain - TRK-DD7-T - Transmission Rebuild Kit - DD7
Baker Drivetrain
$289.95Baker Drivetrain - TRK-DD7-T - Transmission Rebuild Kit - DD7FeaturesTake the guesswork out of rebuilding the transmission, this kit includes all seals, bearings, snap rings, gaskets, and retaining...$289.95 -
Out of stock
Baker Drivetrain - TRK-CD6-2 - Transmission Rebuild Kit
Baker Drivetrain
$379.00Baker Drivetrain - TRK-CD6-2 - Transmission Rebuild KitFeaturesAll-inclusive kit to allow a full transmission rebuildKit includes all seals, bearings, snap rings, gaskets, and retaining nuts need to...$379.00 -
Out of stock
Baker Drivetrain - TRK-DD6 - Transmission Rebuild Kit - DD6 - Fits Baker Drivetrain DD6 only
Baker Drivetrain
$429.00Baker Drivetrain - TRK-DD6 - Transmission Rebuild Kit - DD6FeaturesTake the guesswork out of rebuilding the transmission, this kit includes all seals, bearings, snap rings, gaskets, and retaining...$429.00 -
Out of stock
Baker Drivetrain - TRK-DD7 - Transmission Rebuild Kit - DD7 - Fits Baker Drivetrain DD7 only
Baker Drivetrain
$379.00Baker Drivetrain - TRK-DD7 - Transmission Rebuild Kit - DD7FeaturesTake the guesswork out of rebuilding the transmission, this kit includes all seals, bearings, snap rings, gaskets, and retaining...$379.00 -
Out of stock
Baker Drivetrain - TRK-OD6 - Transmission Rebuild Kit - OD6 - Fits Baker Drivetrain OD6 only
Baker Drivetrain
$379.00Baker Drivetrain - TRK-OD6 - Transmission Rebuild Kit - OD6FeaturesTake the guesswork out of rebuilding the transmission, this kit includes all seals, bearings, snap rings, gaskets, and retaining...$379.00 -
Baker Drivetrain - TRK-OD6R - Transmission Rebuild Kit - OD6R - Fits Baker Drivetrain OD6R only
Baker Drivetrain
$429.00Baker Drivetrain - TRK-OD6R - Transmission Rebuild Kit - OD6RFeaturesTake the guesswork out of rebuilding the transmission, this kit includes all seals, bearings, snap rings, gaskets, and retaining...$429.00 -
Baker Drivetrain - 170-5-A - Shift Drum Kit - 5-Speed Big Twin
Baker Drivetrain
$374.00Baker Drivetrain - 170-5-A - Shift Drum Kit - 5-Speed Big TwinFeaturesFor 5-Speed transmissionsShifter drum grooves have been designed for smoother shifting and unneeded material has been removed...$374.00 -
Baker Drivetrain - CPRK-BDM - Clutch Kit - 9-Plate Big Dog - Fits 2008-2011 Big Dog models w/ 9-plate clutch
Baker Drivetrain
$349.00Baker Drivetrain - CPRK-BDM - Clutch Kit - 9-Plate Big DogFeaturesReplaces friction and steel plates on Big Dog OEM nine-plate clutches; can also be used to replace 12-plate clutch on '05-'08...$349.00 -
Baker Drivetrain - 140-64-A - Kicker Gear Set - Big Twin 4-Speed
Baker Drivetrain
$399.00Baker Drivetrain - 140-64-A - Kicker Gear Set - Big Twin 4-SpeedFeaturesMade from 4140 heat-treated steel for maximum wear-resistanceRounded teeth for smoother, quieter rollingReinforced stop-peg...$399.00 -
Baker Drivetrain - CD6N1-602-M8 - Cruise Drive Smooth Shift Kit - M8 - N1 Shift Pattern
Baker Drivetrain
$499.00Baker Drivetrain - CD6N1-602-M8 - Cruise Drive Smooth Shift Kit - M8 - N1 Shift PatternFeaturesDesign principles that made Baker Six-Speed Overdrive shift so smooth were applied to create a shift...$499.00 -
Baker Drivetrain - CD6N1-602 - Cruise Drive Smooth Shift Kit - Twin Cam - N1 Shift Pattern
Baker Drivetrain
$499.00Baker Drivetrain - CD6N1-602 - Cruise Drive Smooth Shift Kit - Twin Cam - N1 Shift PatternFeaturesDesign principles that made Baker Six-Speed Overdrive shift so smooth were applied to create a shift...$499.00 -
Baker Drivetrain - CD6-602-M8 - Cruise Drive Smooth Shift Kit - M8
Baker Drivetrain
$499.00Baker Drivetrain - CD6-602-M8 - Cruise Drive Smooth Shift Kit - M8FeaturesDesign principles that made Baker Six-Speed Overdrive shift so smooth were applied to create a shift drum/pillow block kit...$499.00 -
Baker Drivetrain - N172-5-A - N1 Shift Drum Kit - 5-Speed '01-'06 FLT/FLH, '01-'05 Dyna, '00-'06 Softail
Baker Drivetrain
MSRP: $598.95$499.00Baker Drivetrain - N172-5-A - N1 Shift Drum Kit - 5-Speed '01-'06 FLT/FLH, '01-'05 Dyna, '00-'06 SoftailFeaturesN1 shift pattern (neutral-1-2-3-4-5) was designed to prevent false neutrals during...MSRP: $598.95$499.00 -
Baker Drivetrain - CD6-602 - Cruise Drive Smooth Shift Kit - Twin Cam
Baker Drivetrain
$499.00Baker Drivetrain - CD6-602 - Cruise Drive Smooth Shift Kit - Twin CamFeaturesDesign principles that made Baker Six-Speed Overdrive shift so smooth were applied to create a shift drum/pillow block kit...$499.00 -
Out of stock
Baker Drivetrain - N171-5-A - N1 Shift Drum Kit - 5-Speed '98-'00 FLT/FLH/Dyna, '98-'99 Softail
Baker Drivetrain
$373.95Baker Drivetrain - N171-5-A - N1 Shift Drum Kit - 5-Speed '98-'00 FLT/FLH/Dyna, '98-'99 SoftailFeaturesN1 shift pattern (neutral-1-2-3-4-5) was designed to prevent false neutrals during aggressive...$373.95 -
Baker Drivetrain - 172-5-A - Shift Drum Kit - 5-Speed '01-'06 FLT/FLH, '01-'05 Dyna, '00-'06 Softail
Baker Drivetrain
MSRP: $598.95$499.00Baker Drivetrain - 172-5-A - Shift Drum Kit - 5-Speed '01-'06 FLT/FLH, '01-'05 Dyna, '00-'06 SoftailFeaturesFor 5-Speed transmissionsShifter drum grooves have been designed for smoother shifting and...MSRP: $598.95$499.00 -
Out of stock
Baker Drivetrain - 171-5-A - Shift Drum Kit - 5-Speed '98-'00 FLT/FLH/Dyna, '98-'99 Softail
Baker Drivetrain
$373.95Baker Drivetrain - 171-5-A - Shift Drum Kit - 5-Speed '98-'00 FLT/FLH/Dyna, '98-'99 SoftailFeaturesFor 5-Speed transmissionsShifter drum grooves have been designed for smoother shifting and unneeded...$373.95 -
Baker Drivetrain - N170-5-A - 5-Speed N1 Shift Drum Kit - Fits 2000 FLHT/FLHR/FLTR; 1980-1997 FLH/FLT/FLHT/FLHR, Dyna, Softail and 00 FLT/FLHT/FLHR/FLTR
Baker Drivetrain
$374.00Baker Drivetrain - N170-5-A - 5-Speed N1 Shift Drum KitFeaturesN1 shift pattern (neutral-1-2-3-4-5) was designed to prevent false neutrals during aggressive 1-2 upshifts by positioning neutral under...$374.00 -
Baker Drivetrain - 640-67 - Cruise Drive Main Drive Gear Tapered Roller Bearing Kit - Fits 2024-2025 FLHRXS, 24 FLHTK/FLTRK, 2007-2023 FLHT/FLHR/FLHX/FLTRX (except 23 FLHXSE/FLTRXSE)
Baker Drivetrain
$995.00Baker Drivetrain - 640-67 - Cruise Drive Main Drive Gear Tapered Roller Bearing KitFeaturesHeal your Achilles heel with the Baker Main Drive Gear Bearing KitProvides everything you need to eliminate...$995.00 -
Baker Drivetrain - BD-10605-A - Function-Formed™ Transmission Side Cover - Mechanical - Big Twin - Gloss Black
Baker Drivetrain
$425.00Baker Drivetrain - BD-10605-A - Function-Formed™ Transmission Side Cover - Mechanical - Big Twin - Gloss BlackFeaturesFunction-Formed™ style milled from 6061-T6 billet aluminumMinimalistic design...$425.00 -
Out of stock
Baker Drivetrain - BD-10603-A - Function-Formed™ Transmission Side Cover - Mechanical - Big Twin - Wrinkle Black
Baker Drivetrain
$425.00Baker Drivetrain - BD-10603-A - Function-Formed™ Transmission Side Cover - Mechanical - Big Twin - Wrinkle BlackFeaturesFunction-Formed™ style milled from 6061-T6 billet aluminumMinimalistic design...$425.00 -
Baker Drivetrain - M8-10603-A - Transmission Side Cover - Hydraulic - M8 - Black
Baker Drivetrain
$525.00Baker Drivetrain - M8-10603-A - Transmission Side Cover - Hydraulic - M8 - BlackFeaturesFunction-Formed™ style milled from 6061 T-6 aluminumLow-Profile design features allow maximum exhaust...$525.00 -
Baker Drivetrain - M8-10602-A - Transmission Side Cover - Hydraulic - M8 - Polish
Baker Drivetrain
$525.00Baker Drivetrain - M8-10602-A - Transmission Side Cover - Hydraulic - M8 - PolishFeaturesFunction-Formed™ style milled from 6061 T-6 aluminumLow-Profile design features allow maximum exhaust...$525.00 -
Baker Drivetrain - DD7-10602-A - Transmission Cover - Polished
Baker Drivetrain
$479.00Baker Drivetrain - DD7-10602-A - Transmission Cover - PolishedFeaturesLow-profile external features allow maximum exhaust clearanceStainless steel bolts and gasket includedAll side covers have...$479.00 -
Baker Drivetrain - DD7-10603-A - Transmission Cover - Black
Baker Drivetrain
$479.00Baker Drivetrain - DD7-10603-A - Transmission Cover - BlackFeaturesLow-profile external features allow maximum exhaust clearanceStainless steel bolts and gasket includedAll side covers have hydraulic...$479.00 -
Baker Drivetrain - 48403-6 - Transmission Door Assembly - Wrinkle Black
Baker Drivetrain
$395.00Baker Drivetrain - 48403-6 - Transmission Door Assembly - Wrinkle BlackFeaturesManufactured with 6061-T6 Aluminum28% wider bearings when compared to stockThe bearings are retained with a 6-bolt steel...$395.00 -
Baker Drivetrain - 48902-6 - Transmission Door Assembly - Polished
Baker Drivetrain
$495.00Baker Drivetrain - 48902-6 - Transmission Door Assembly - PolishedFeaturesManufactured with 6061-T6 Aluminum28% wider bearings when compared to stockThe bearings are retained with a 6-bolt steel 1/8"...$495.00 -
Out of stock
Baker Drivetrain - 13002-56-A - Dipstick - With O-Ring - Big Twin
Baker Drivetrain
$39.00Baker Drivetrain - 13002-56-A - Dipstick - With O-Ring - Big TwinFeatures1-piece billet aluminum designEnds the problem of the OEM dipstick breaking off and going through your gearsLarger radius on...$39.00 -
Baker Drivetrain - 6304 - 5-Speed Transmission Door Bearing
Baker Drivetrain
$19.99Baker Drivetrain - 6304 - 5-Speed Transmission Door BearingFeaturesReplacement bearing for 5-Speed Big TwinsSpecsRiding StyleStreetProduct NameBearingUnitsEachTypeTransmission DoorFitment2005...$19.99 -
Baker Drivetrain - 12067B - 5-Speed Main Drive Gear Seal
Baker Drivetrain
$19.99Baker Drivetrain - 12067B - 5-Speed Main Drive Gear SealFeaturesReplacement seal for 5-Speed Big TwinsSpecsUnitsEachRiding StyleStreetTypeMain Drive GearProduct NameSealFitment2002-2006...$19.99 -
Baker Drivetrain - 8876A - 5-Speed Mainshaft/Countershaft Split Cage Needle Bearing
Baker Drivetrain
$12.99Baker Drivetrain - 8876A - 5-Speed Mainshaft/Countershaft Split Cage Needle BearingFeaturesReplacement bearing for 5-Speed Big TwinsSpecsRiding StyleStreetUnitsEachTypeNeedle BearingProduct...$12.99 -
Baker Drivetrain - HK2520 - 5-Speed Main Drive Gear Needle Bearing - Open End
Baker Drivetrain
$12.99Baker Drivetrain - HK2520 - 5-Speed Main Drive Gear Needle Bearing - Open EndFeaturesReplacement bearing for 5-Speed Big TwinsSpecsProduct NameBearingRiding StyleStreetUnitsEachTypeMain Drive...$12.99 -
Baker Drivetrain - 6209 - 5-Speed Main Drive Gear Roller Ball Bearing
Baker Drivetrain
$29.99Baker Drivetrain - 6209 - 5-Speed Main Drive Gear Roller Ball BearingFeaturesReplacement bearing for 5-Speed Big TwinsSpecsProduct NameBearingUnitsEachTypeMain Drive GearRiding StyleStreetFitment2005...$29.99 -
Baker Drivetrain - BK2526 - 5-Speed Countershaft Bearing - Closed End
Baker Drivetrain
$22.99Baker Drivetrain - BK2526 - 5-Speed Countershaft Bearing - Closed EndFeaturesReplacement bearing for 5-Speed Big TwinsSpecsProduct NameBearingTypeCountershaftRiding StyleStreetUnitsEachFitment1980...$22.99 -
Baker Drivetrain - 33344-94S - Transmission Sprocket Spacer - Fits 1999-2006 Twin Cam (except 06 FXD/FXDWG); repl. OEM #33344-94; L1994-1999 Big Twin; repl. OEM #33344-94
Baker Drivetrain
$39.00Baker Drivetrain - 33344-94S - Transmission Sprocket SpacerFeaturesCase-hardened steel with a Rockwell "C" hardness of 55 and a polished finishDirect replacement for stock '94-'06 Big Twins (except...$39.00 -
Baker Drivetrain - TRK-DYN-E - Transmission Rebuild Kit - '91-'93 Dyna
Baker Drivetrain
$379.00Baker Drivetrain - TRK-DYN-E - Transmission Rebuild Kit - '91-'93 DynaFeaturesAll-inclusive kit to allow a full transmission rebuildKit includes all seals, bearings, snap rings, gaskets, and...$379.00 -
Baker Drivetrain - OD6-404P2-03 - 6-Speed Gear Set - Black
Baker Drivetrain
$3,395.00Baker Drivetrain - OD6-404P2-03 - 6-Speed Gear Set - BlackFeaturesIncludes trap door, all gears, mainshaft, countershaft, shifter drum, detent components, bearings, snap rings, gaskets and...$3,395.00 -
Baker Drivetrain - TRK-CD6 - Transmission Rebuild Kit - '07-'23 Softail/Touring, '06-'17 Dyna with Cruise Drive
Baker Drivetrain
$599.00Baker Drivetrain - TRK-CD6 - Transmission Rebuild Kit - '07-'23 Softail/Touring, '06-'17 Dyna with Cruise DriveFeaturesAll-inclusive kit to allow a full transmission rebuildKit includes all seals,...$599.00 -
Baker Drivetrain - TRK-FLSTX-E - Transmission Rebuild Kit
Baker Drivetrain
$429.00Baker Drivetrain - TRK-FLSTX-E - Transmission Rebuild KitFeaturesAll-inclusive kit to allow a full transmission rebuildKit includes all seals, bearings, snap rings, gaskets, and retaining nuts need...$429.00
Baker Drivetrain Harley-Davidson Transmission Systems & Gear Set Upgrades – Smooth Shifting & Maximum Durability
Baker Drivetrain is widely recognized for producing some of the most reliable and precisely engineered transmission components for Harley-Davidson motorcycles. Their lineup includes premium gear sets, transmission rebuild kits, shift drum upgrades, bearing kits and drivetrain hardware designed to improve shift quality, torque handling and long-term durability. Built in the USA with high-grade materials, Baker components help reduce drivetrain noise, enhance stability and deliver smoother engagement across Twin Cam, Evo and Milwaukee-Eight platforms.
Their highly respected DD6 and DD7 gear sets provide tighter ratios, improved highway performance, and increased strength for riders who demand more from their bikes. Baker also offers high-torque bearing kits, primary rebuild kits, kicker gear sets, transmission side covers and heavy-duty throwout bearings engineered for maximum longevity. These upgrades ensure proper alignment, reduced wear and consistent power delivery, even under aggressive riding or long-distance touring.
Whether restoring a classic 4-speed, rebuilding a 5-speed Big Twin or strengthening a modern 6-speed transmission, Baker Drivetrain provides exact-fit solutions trusted by performance shops and serious Harley builders. With a commitment to precision, durability and real-world dependability, Baker remains one of the most respected names in Harley-Davidson drivetrain performance. Their components help riders achieve smoother shifts, more stable power transfer and a transmission built to handle high torque and high mileage with confidence.