Big Twin Engine & Clutch

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      105 products
      TC Bros. offers TC Bros. e-gift cards for motorcycle enthusiasts.
      TC Bros.
      TC BROS. GIFT CARD
      from $10.00
      A Cometic gasket and Twin Cam Primary Cover Gasket Kit set for a motorcycle engine, fits '06-Up Dyna and '07-Up Softail.
      Cometic
      Twin Cam Primary Cover Gasket Kit - fits '06-Up Dyna, '07-Up Softail
      $121.75
      A black metal TC Bros. Harley Big Twin Engine Stand bracket with the word tc on it.
      The TC Bros. Harley Big Twin Engine Stand, Fits 1936-1999 (Except Twin Cam Models), is perfect for a Big Twin Engine Rebuild Stand.
      TC Bros.
      TC Bros. Harley Big Twin Engine Stand, Fits 1936-1999 (Except Twin Cam Models)
      $59.95
      30 reviews
      A Wyatt Gatling Black Primary Cover 2007-2017 Dyna for a motorcycle engine that provides a smooth flat black powder coat finish, suitable for DYNA models.
      A Wyatt Gatling Black Primary Cover 2007-2017 Dyna for a motorcycle engine, with a smooth flat black powder coat finish.
      Wyatt Gatling
      Black Primary Cover 2007-2017 Dyna
      $271.34
      A Moto Iron® 1" Vintage Clutch Perch (Chrome) Harley and Custom Motorcycle brake lever on a white background.
      A Moto Iron® 1
      Moto Iron®
      1" Vintage Clutch Perch (Chrome) Harley and Custom Motorcycle
      $139.95
      A set of Maxima V-Twin Complete Oil Change Kit For Harley Twin Cam 1999-2017, filters, and a box of oil change kit.
      Maxima
      Maxima V-Twin Complete Oil Change Kit For Harley Twin Cam 1999-2017
      $107.99
      A set of Barnett Carbon Fiber Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022 clutch rings on a white background.
      Barnett
      Carbon Fiber Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022
      $241.00
      A Barnett Scorpion Clutch For Harley Big Twin 1998-2006 kit with springs and clutch capacity.
      Barnett
      Barnett Scorpion Clutch For Harley Big Twin 1998-2006
      $685.94
      A set of Barnett Kevlar Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022 on a background.
      Barnett
      Kevlar Extra Plate Clutch Kit For Harley Big Twin / Sportster 1990-2022
      $232.66
      The Wyatt Gatling Twin Cam Primary Gasket Kit fits '94-05 Dyna and '94-06 Softail models, and includes assorted gaskets, seals, and hardware parts displayed on a white background.
      Wyatt Gatling
      Twin Cam Primary Gasket Kit - fits '94-05 Dyna, '94-06 Softail
      $55.27
      The Moto Iron® Keihin CV Carb Rebuild Kit includes assorted gaskets, seals, spring, filter, and O-rings. Fits Sportster 88-06 and Big Twin 90-06 models. All components shown on a white background.
      Moto Iron®
      Keihin CV Carb Rebuild Kit Fits Sportster 88-06, Big Twin 90-06
      $24.95
      7 reviews
      A black Moto Iron® socket on a white background.
      A black cylinder with a small hole in it, the Moto Iron® 2-1/4
      Moto Iron®
      2-1/4" Mainshaft Sprocket/Pulley Socket Tool for Twin Cam 06-17 Dyna, 07-19 Electra Glide & others
      $68.95
      A Barnett Scorpion Clutch For Harley Twin Cam 2006-2010 cover with clutch capacity including springs and springs for Harley Twin Cam models.
      An orange Barnett Scorpion Clutch For Harley Twin Cam 2006-2010 with springs and clutch capacity.
      Barnett
      Barnett Scorpion Clutch For Harley Twin Cam 2006-2010
      $685.94
      A pair of gray metal parts with a hole in the middle, ideal for the Muller Motorcycle AG Power Clutch For Harley Big Twin 1999-2021.
      Muller Motorcycle AG
      Power Clutch For Harley Big Twin 1999-2021
      $214.95
      The OLD-STF Harley-Davidson XR650R features the Stainless/Black Shovelhead Rocker Box Split Oil Lines.
      The OLD-STF Harley-Davidson XR650R features the Stainless/Black Shovelhead Rocker Box Split Oil Lines.
      OLD-STF
      Stainless/Black Shovelhead Rocker Box Split Oil Lines
      $99.00
      Drag Specialties Black Primary Cover 00-06 Softail 99-05 Dyna.
      Drag Specialties
      Black Primary Cover 00-06 Softail 99-05 Dyna
      $316.15
      A Cometic Exhaust Gasket For 1986-Later Sportsters, 1999-Later Twin Cam, 1984-1999 Big Twin Evo (sold each) on a white background.
      Cometic
      Exhaust Gasket For 1986-Later Sportsters, 1999-Later Twin Cam, 1984-1999 Big Twin Evo (sold each)
      $6.95
      6 reviews
      A Drag Specialties High Performance Starter Motor- Black 2018-2022 M8 Softail Models OEM# 31400057 for M8 Softail Models on a white background.
      Drag Specialties
      High Performance Starter Motor- Black 2018-2022 M8 Softail Models OEM# 31400057
      $349.95
      A Super E Carburetor and parts for a motorcycle that regulate the fuel flow and air flow by S&S Cycle.
      S&S Cycle
      Super E Carburetor
      $499.95
      A Moto Iron® 1" Vintage Clutch Perch (Black) Harley and Custom Motorcycle brake lever on a white background.
      A Moto Iron® 1
      Moto Iron®
      1" Vintage Clutch Perch (Black) Harley and Custom Motorcycle
      $139.95
      An image of a black Moto Iron® socket and nut alongside a Big Twin Harley.
      A black cylinder with a small hole in it, used for the 1 7/8
      Moto Iron®
      1 7/8" Mainshaft Sprocket/Pulley Socket Tool 1936-2006 Harley (except 06 Dyna)
      $64.95
      A hydraulic clutch slave cylinder from Rekluse, designed for Harley '17-'21 M8 Touring and '17-'21 Softail models, featuring a metallic automotive part with an engraved spider emblem, three bolt holes, and an asymmetric design to ensure reduced clutch lever pull.
      A hydraulic clutch slave cylinder from Rekluse, designed for Harley '17-'21 M8 Touring and '17-'21 Softail models, featuring a metallic automotive part with an engraved spider emblem, three bolt holes, and an asymmetric design to ensure reduced clutch lever pull.
      Rekluse
      Hydraulic Clutch Slave Cylinder for Harley '17-'21 M8 Touring & '17-'21 Softail
      $319.00
      A set of Colony Machine Head Bolt Set - 12 point Zinc Plated - 92-UP Harley Big Twin/Twin Cam, 93-UP Sportster 3020-8 made in the U.S.A on a white background.
      Colony Machine
      Head Bolt Set - 12 point Zinc Plated - 92-UP Harley Big Twin/Twin Cam, 93-UP Sportster 3020-8
      $86.95
      A set of Drag Specialties Wet or Dry Clutch Friction Plate Set '68- Early '84 Shovelhead, bolts, and a complete overhaul.
      Drag Specialties
      Wet or Dry Clutch Friction Plate Set '68- Early '84 Shovelhead
      $68.95
      The Moto Iron® Chrome Primary Chain Inspection Cover for 00-06 FXST/FLST and 99-05 Dyna FXDWG includes an oval metal plate with four screw holes and a central raised cylinder.
      The Moto Iron® Chrome Primary Chain Inspection Cover for 00-06 FXST/FLST and 99-05 Dyna FXDWG includes an oval metal plate with four screw holes and a central raised cylinder.
      Moto Iron®
      Chrome Primary Chain Inspection Cover 00-06 FXST/FLST, 99-05 Dyna FXDWG
      $32.95
      A PC Racing Reusable Oil Filter For Harley 1980-2023 - Polished filter provides superior filtration for Harley motorcycles from 1980-2023.
      A person is holding a silver PC Racing Reusable Oil Filter for Harley 1980-2023 - Polished on a white surface, providing superior filtration for Harley motorcycles made between 1980-2023.
      PC Racing
      PC Racing Reusable Oil Filter For Harley 1980-2023 - Polished
      $149.95
      A pair of OLD-STF Brass Shovelhead Rocker Box Split Oil Lines and a piece of metal on a white background.
      A pair of OLD-STF Brass Shovelhead Rocker Box Split Oil Lines and a piece of metal on a white background.
      OLD-STF
      Brass Shovelhead Rocker Box Split Oil Lines
      $103.95
      A K&N Oil Filter - Black - for 1980-2022 Sportster and Big twin models with synthetic-blend filtration media, against a white background.
      K&N
      K&N Oil Filter - Black - for 1980-2022 Sportster and Big twin models
      $15.99
      Four Quickee Adjustable Pushrods on a white background.
      S&S Cycle
      Quickee Adjustable Pushrod Set For 1984-'99 HD® Big Twins, 80"-98", 113", 117" and 124" Engines
      $224.95
      A Wyatt Gatling Primary Drive Lock Tool with Step on a surface.
      Wyatt Gatling
      Primary Drive Lock Tool with Step
      $22.00
      The Barnett Low Profile Lock Up Clutch Kit - '99-'21 Big Twin by Barnett is suitable for Harley-Davidson Big Twin motorcycles from 1998-2017, including springs.
      Barnett
      Barnett Low Profile Lock Up Clutch Kit - '99-'21 Big Twin
      $413.32
      A James Gaskets Complete Engine Gasket Kit - 1966-1984 Harley Shovelhead for a Shovelhead engine rebuild.
      James Gaskets
      Complete Engine Gasket Kit - 1966-1984 Harley Shovelhead
      $128.95
      A Moto Iron® 1991-2005 Harley Dyna FXD Mid Control Blockoff Kit is perfect for Harley Dyna motorcycles.
      Moto Iron®
      1991-2005 Harley Dyna FXD Mid Control Blockoff Kit
      $39.95
      Starter Solenoid Relay for Sportster and Big Twin models by Drag Specialties on a white background.
      Starter Solenoid Relay for Sportster and Big Twin models by Drag Specialties on a white background.
      Drag Specialties
      Starter Solenoid For Sportster and Big Twin models
      $74.41
      A black Wyatt Gatling Rocker Box Cover Set 84-91 Big Twin Models of a car engine with a black finish.
      A black Wyatt Gatling Rocker Box Cover Set 84-91 Big Twin Models of a car engine with a black finish.
      Wyatt Gatling
      Black Rocker Box Cover Set 84-91 Big Twin Models
      $328.01
      A range of premium sealing components is showcased, including head gaskets, O-rings, and the acclaimed James Gaskets Rocker Box Gasket Kit designed for Harley Twin Cam engines from 1999 to 2015.
      James Gaskets
      James Rocker Box Gasket Kit For Harley Twin Cam 1999-2015
      $81.95
      A set of S&S Cycle Quickee Adjustable Pushrods for 1999-'17 big twins w/ stock engine height +/- .050 parts for a motorcycle.
      S&S Cycle
      Quickee Adjustable Pushrods for 1999-'17 big twins w/ stock engine height +/- .050
      $309.95
      A PC Racing reusable oil filter and a PC Racing Harley oil filter.
      A close up of a blue PC Racing Harley motorcycle engine with a PC Racing Reusable Oil Filter For Harley 1980-2023 - Black.
      PC Racing
      PC Racing Reusable Oil Filter For Harley 1980-2023 - Black
      $149.95
      A set of metal hooks and nuts on a white background for the installation of an Easyboy Lite Clutch on a Harley Big Twin by Burly.
      Burly
      Easyboy Lite Clutch For Harley Big Twin 2000-2023
      $40.95
      Four Precision Tappets for 2017-Up M8, 1999-17 Twin Cam and 2000-Up XL Models ball valves on a white background.
      Harley-Davidson motorcycles are renowned for their rapid pump up and S&S Cycle Precision Tappets in the valve train, which helps reduce valve train noise.
      S&S Cycle
      Precision Tappets for 2017-Up M8, 1999-17 Twin Cam and 2000-Up XL Models
      $279.95
      A Black Points Cover 1986-2022 Sportster by Drag Specialties for a Sportster or Harley-Davidson.
      Drag Specialties
      Black Points Cover 1986-2022 Sportster
      $13.95
      Clymer Repair Manual Clymer Harley Davidson Dyna Twin Cam 1999/2005 motorcycle.
      Clymer Manuals offer comprehensive guides for maintaining and repairing the Clymer Repair Manual Harley Davidson Dyna Twin Cam 1999/2005 motorcycles.
      Clymer
      Clymer Repair Manual Harley Davidson Dyna Twin Cam 1999/2005
      $51.95
      1 review
      A set of S&S Cycle Adjustable Pushrod Kits For 1999-'16 HD® Big Twins pistons and seals on a white background.
      A set of S&S Cycle Adjustable Pushrod Kits for 1999-'16 HD® Big Twins on a white background.
      S&S Cycle
      Adjustable Pushrod Kits For 1999-'16 HD® Big Twins
      $249.95
      1 review
      A V-Factor High Performance Starter Motor- Chrome 2007-2017 Twin Cam & 06 Dyna OEM# 31621-06A.
      V-Factor
      High Performance Starter Motor- Chrome 2007-2017 Twin Cam & 06 Dyna OEM# 31621-06A
      $227.65
      Four S&S Cycle Quickee Adjustable Pushrod Sets For 1999-'17 HD® Big Twins, 1991-'Up XL and 2017-'Up M8 Models on a white background, ready for installation.
      A group of Quickee Adjustable Pushrod Sets For 1999-'17 HD® Big Twins, 1991-'Up XL and 2017-'Up M8 Models by S&S Cycle on a table in a factory ready for installation.
      S&S Cycle
      Quickee Adjustable Pushrod Set For 1999-'17 HD® Big Twins, 1991-'Up XL and 2017-'Up M8 Models
      $209.95
      Harley-Davidson Twin Cam with a Drag Specialties Black Cam Cover.
      Drag Specialties
      Black Cam Cover 2001-2017 Twin Cam (without cam position sensor)
      $99.95
      Assorted James Gaskets Primary Gasket Kit and Seals set with fastening clips for the Harley community.
      James Gaskets
      Primary Gasket Kit for 94-04 Big twins
      $98.95
      A close-up of a chrome K&N Oil Filter cylinder.
      K&N
      K&N Oil Filter - Chrome - for 1980-2022 Sporster and Big twin models
      $17.99
      Harley Davidson motorcycle maintenance is made easier with the 1984-1998 FLT/FLHT/FLHR/FLTR, 1984-1994 FXR Clymer Repair Manual.
      Clymer
      1984-1998 FLT/FLHT/FLHR/FLTR, 1984-1994 FXR Clymer Repair Manual
      $59.95
      A black Drag Specialties Transmission Side Cover 06-17 FXD/FXDWG Dyna for a Harley-Davidson motorcycle.
      Drag Specialties
      Black Transmission Side Cover 06-17 FXD/FXDWG Dyna
      $87.67
      A Drag Specialties Black Transmission Side Cover 99-06 FXD/FXDWG Dyna for a motorcycle engine.
      Drag Specialties
      Black Transmission Side Cover 99-06 FXD/FXDWG Dyna
      $54.95
      A new James Gaskets primary gasket for Dyna and Softail models on a white background.
      James Gaskets
      Primary Gasket For Dyna and Softail Models
      $52.95
      The Maxima V-Twin 20W-50 Engine Oil Change Kit For Harley Twin Cam 1999-2017 for a Yamaha YZF-R1.
      Maxima
      Maxima V-Twin 20W-50 Engine Oil Change Kit For Harley Twin Cam 1999-2017
      $77.99
      A All balls inner primary bearing and seal kit, a black rubber seal, and a retaining ring on a beige background.
      All Balls
      All balls inner primary bearing and seal kit for '92-'05 FX & '89-'06 Big Twin
      $25.44
      A Drag Specialties Harley Crank Position Sensor For Harley Davidson 01-17 FL, 01-17 FX, and 06-18 XL models designed as a direct replacement.
      Drag Specialties
      Harley Crank Position Sensor For Harley Davidson 01-17 FL, 01-17 FX, and 06-18 XL models
      $61.95
      An image of the Harley Four Speed Transmission Work Stand/Jig by Pangor Cycles on a white background.
      A Harley Four Speed Transmission Work Stand/Jig by Pangor Cycles for a camera on a white background.
      Pangor Cycles
      Harley Four Speed Transmission Work Stand/Jig
      $35.00
      A black and white image of a nut and bolt on a white background, showcasing the fitment of the Drag Specialties Clutch Hub Puller - 10 Stud to remove clutch hubs.
      A Drag Specialties Clutch Hub Puller - 10 Stud screw on a white surface.
      Drag Specialties
      Clutch Hub Puller - 10 Stud
      $50.95
      Various All Balls mechanical bearings including an inner primary bearing and retaining clips arranged on a light background, suitable for FXD Softail models.
      All Balls
      All balls inner primary bearing and seal kit For 92-05 FXD and 89-06 Softail models
      $49.13
      Various mechanical parts including All Balls inner primary bearing and seal kit for 08-17 FXD, 08-17 Big Twin, 17+ M8, and a retaining ring arranged on a white background.
      All Balls
      All balls inner primary bearing and seal kit For 08-17 FXD, 08-17 Big Twin, 17+ M8
      $51.05
      A set of Drag Specialties Heavy Duty Throwout Bearing Pushrod Kit for Harley Davidson 70-83 Big Twins on a white background.
      Drag Specialties
      Heavy Duty Throwout Bearing Pushrod Kit for Harley Davidson 70-83 Big Twins
      $46.95

      Engine & Clutch Parts for Harley Big Twin Motorcycles. The Big Twin Engine & Clutch collection at TC Bros is built for riders who demand top-notch performance and reliability from their Harley-Davidson Big Twin motorcycles. This category features premium components, including engine mounts, clutch controls, and performance upgrades, all crafted to meet the needs of custom builders and performance enthusiasts alike. Designed for iconic models like Softails, Dynas, and Touring bikes, our parts are engineered for precision fitment and durability. With industry-leading quality and DIY-friendly design, TC Bros makes it easier than ever to enhance your bike’s power delivery and smooth operation. Equip your Big Twin with the best and ride with confidence.