TwinPower

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.

These Twin Power™ tappet guide gaskets seal the tappet blocks to the crankcase on 1999-2017 Twin Cam engines, helping control oil leaks during valvetrain or cam service.

Includes lower covers, inner tubes, springs, spring washers, spring covers and spring caps spring covers and spring caps

Twin Power™ derby cover gaskets are designed to seal the primary inspection/derby opening on various Big Twin generations, helping prevent fluid leaks while allowing repeated cover removal.

Twin Power™ Bendix Accelerator Pump directly replaces H-D 27762-71A for vintage Harley Big Twin carburetors, restoring crisp throttle response.

Twin Power™ coils are the high-quality direct fit with at least 20% more voltage than stock. Constructed from durable high-quality, molded-epoxy, in a late O.E.M.-style molded case, these ignition...

Twin Power™ coils are the high-quality direct fit with at least 20% more voltage than stock. Constructed from durable high-quality, molded-epoxy, in a late O.E.M.-style molded case, these ignition...

Stop the "death wobble" and get a rock-solid feel at high speeds. This steering stabilizer kit is built to kill front-end shake and keep your bike tracking straight, whether you're hitting a bridge...

Stop the "death wobble" and get a rock-solid feel at high speeds. This steering stabilizer kit is built to kill front-end shake and keep your bike tracking straight, whether you're hitting a bridge...

Custom handlebar control switch features 3-way head lamp dimmer with integral horn button. It fits XL, Big Twin handlebars.

Reliable switch action ensures consistent brake light activation for safety and visibility

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.