TwinPower

What is the best way to ensure my starter is working correctly?Restore reliable starting power with a TWP Kickstarters, ensuring dependable engagement for your 1936-1984 4-speed Big Twin...

What is the primary function of the TwinPower Mainshaft Bearing?This mainshaft bearing restores smooth engine operation for a more enjoyable vintage motorcycle ride, ensuring reliable performance by...

Are TWP Primary Chains a direct replacement for my stock chain?TWP Primary Chains are designed as direct fit replacements, confirming fitment with your specific vehicle ensures seamless integration...

What is the primary function of the TWP Transmission Gasket Sets?TWP Transmission Gasket Sets seal the side cover to the transmission case, effectively preventing gear lube leaks during essential...

What is the part number for this oil pump?This TWP Oil Pump is designed as a direct fit replacement for 1958-1999 Harley-Davidson FLH Electra Glide and related models.Is this oil pump a direct...

What is the primary function of a clutch basket?A clutch basket houses the clutch plates, transmitting power from the engine to the transmission for gear engagement.Are these clutch shells easy to...

What type of Big Twin clutches do these clutch shells fit?TWP Clutch Shells fit all stud-type Big Twin clutches, ensuring broad compatibility for many motorcycles.Are these clutch shells difficult to...

Control clutch jerking and get a smooth release on stud type clutches with this kit. This kit holds the clutch basket in proper position to eliminate clutch jerking or walking. It may be used on rear...

Twin Power™ O-ring and seal kits provide precision OEM replacements for Harley-Davidson engines, transmissions, and primaries, ensuring leak-free performance in convenient multi-packs.Durable...

What year range does the TWP Bearings B fit?This specific TwinPower bearing fits 1952 through 1990 Harley-Davidson K, KH, KHK models and twelve additional fitments.Is the TWP Bearings B a direct...

Twin Power™ Drive Chain for American V-Twins. High-tensile steel, solid rollers and oversize pins ensure longer life and higher strength. The 530 Heavy-Duty is a perfect replacement chain for classic...

What is the purpose of the TWP Intake?The TWP Intake dramatically improves engine breathing by increasing airflow and refining throttle response for a more potent and efficient drive.Is professional...