TwinPower

What is the gear tooth count on the TWP Starters F?The TWP Starters F features a 9 tooth gear designed to optimally pair with 66 tooth ring gears for reliable engagement.What is the best use case for...

Is this clutch shell a direct replacement for my stock clutch shell?This TwinPower Clutch Shell B is a direct fit, ensuring easy installation without modifications on compatible Harley models.Will...

What is the main function of a clutch basket?The clutch basket houses the clutch plates and friction discs, transmitting power from the engine to the transmission for smooth gear engagement.Is this a...

Do TWP Top End Gasket Kits come with installation instructions?TWP Top End Gasket Kits are application-specific; confirm fitment details with your vehicle before professional installation for best...

What is the difference between the ignition switch positions?The ignition switch offers three positions: ignition with lights active, off, and ignition without lights for versatile control.Do I need...

What models does the TWP Transmission Gasket Set fit?The TWP Transmission Gasket Set fits 1991-2006 5-speed Big Twin models, excluding 2006 Dyna motorcycles.How difficult is the installation of the...

What years and models do these TWP sprockets fit?TWP Sprockets C are engineered to fit 1991-1993 Harley-Davidson FLHS Electra Glide Sport, FLHT Electra Glide Standard, and FLHTC Electra Glide...

Are TwinPower oil filters compatible with my vehicle?Confirming fitment is essential; TwinPower oil filters are designed for specific applications to ensure optimal performance and protection for...

Are TwinPower oil pump gaskets compatible with all Harley-Davidson Big Twin models?TwinPower oil pump gaskets are specifically designed for Evolution and late Shovelhead Big Twin models; confirm...

How do I know if this oil pump fits my Big Twin?Confirm your specific vehicle's fitment details before purchasing; this oil pump is designed as a direct replacement for Big Twin applications.What is...

Twin Power™ rocker box gasket kits include the critical gaskets needed to reseal rocker boxes on popular Big Twin and Sportster engines, helping control top-end oil leaks.Ideal for top-end refreshes,...

Ideal for top-end rebuilds, performance upgrades, or routine refreshes across multiple Harley engine platformsIdeal for top-end rebuilds, performance upgrades, or routine refreshes across multiple...