Transmission & Drivetrain

Harddrive Harddrive Comp Sprocket High Performace M8 Models

High Performance Compensator Sprocket Engineered with heavier springs and increased travel to support the high torque outputDesigned to outperform the Original Equipment compensatorProtects the engine and driveline componentsCompensator features...

Harddrive Hd Derby Cover Chrome Big Twin 84-98

Derby Cover Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock coversChrome plated, satin black or wrinkleMounting hardware included when pictured

Harddrive Hd Derby Cover Chrome Big Twin 99-16

Derby Cover Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock coversChrome plated, satin black or wrinkleMounting hardware included when pictured

Harddrive Hd Derby Cover Chrome Xl 04-20

Derby Cover Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock coversChrome plated, satin black or wrinkleMounting hardware included when pictured

Harddrive Hd Derby Cover Chrome Xl 94-03

Derby Cover Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock coversChrome plated, satin black or wrinkleMounting hardware included when pictured

Harddrive Hp Compensator Spring Pack

High Performance Compensator Spring Pack

Harddrive M8 Transmission Pulley 31t Power

Pulley Transmission Belt Pulleys OEM Replacements

Harddrive M8 Transmission Pulley 34t Overdrive

Pulley Transmission Belt Pulleys OEM Replacements

Harddrive Manual Prmry Chain Adj Fx 06-16 Fl/Flt 07-16

Manual Primary Chain Adjuster Permits manual selection of primary chain tension and is a direct replacement for the original equipment automatic versionEliminates the common issues of over tightening of the primary chain from the auto adjusterTakes the...

Harddrive Narrow Profile Derby Cover Black 16-Up

Derby Cover Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock coversChrome plated, satin black or wrinkleMounting hardware included when pictured

Harddrive Narrow Profile Derby Cover Chrome 16-Up

Derby Cover Die cast aluminum derby coversIdeal for replacing damaged, scratched or warped stock coversChrome plated, satin black or wrinkleMounting hardware included when pictured

Harddrive Primary Chain Pad Big Twin 01-06

Primary Chain Tensioner Shoe Direct replacement for the stock tensioner shoeSold each

Harddrive Primary Chain Pad Big Twin 65-00

Primary Chain Tensioner Shoe Direct replacement for the stock tensioner shoeSold each

Harddrive Primary Chain Pad W/Adjuster Xl 91-03

Primary Chain Tensioner Shoe Direct replacement for the stock tensioner shoeSold each

Harddrive Primary Chain Pad Xl 80-90

Primary Chain Tensioner Shoe Direct replacement for the stock tensioner shoeSold each

Harddrive Pulley Spacer Aluminum 1" Chrome 00-Up

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 1" Chrome 84-99

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 1-1/2" Chrome 84-99

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 1-1/4" Chrome 00-Up

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 1/2" Chrome 00-Up

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 1/2" Chrome 84-99

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 3/4" Chrome 00-Up

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pulley Spacer Aluminum 3/4" Chrome 84-99

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...

Harddrive Pully Spacer Aluminum 1" Black 00-Up

Pulley Spacer Aluminum spacers that are ideal for lining up pulleys and sprockets. The spacers can easily be machined down to the next size under without having to worry about the spigot alignment when you machine the face of the spacer down to the...