Daytona Twin Tech

Daytona Twin Tec has established itself as one of the most respected names in V-twin performance, offering advanced ignition systems, EFI controllers and electronic tuning tools built for Harley-Davidson motorcycles. Their products are engineered to enhance spark accuracy, fuel delivery, throttle response and overall engine efficiency across carbureted and EFI platforms. Whether optimizing a stock engine or upgrading a fully built powertrain, Daytona Twin Tec components provide tuners with precise adjustability and long-term reliability.

Their ignition lineup includes the well-known TC-88 modules, Internal and External Ignition Kits, Single Fire systems and high-output ignition coils designed to improve combustion stability and mid-range performance. Riders upgrading from factory ignition systems benefit from smoother idle, quicker starts and improved acceleration. For EFI models, standout tools such as the TCFI Gen 4/Gen 5 Controllers, Twin Tuner II, TCFI Gen S Auto Tune and the WEGO III AFR Sensor Kit allow accurate fuel mapping, real-time AFR monitoring, data logging and seamless integration with performance cams, intakes, and exhausts.

Supporting components, including fuel injector sets for Milwaukee-Eight engines, O2 sensor plugs, weld-in bungs and universal plug-wire kits, round out Daytona Twin Tec’s complete ecosystem of tuning and performance electronics. With broad fitment coverage across Touring, Softail, Dyna and Sportster models, the brand remains a trusted choice for professional tuners, performance shops and riders seeking dependable power upgrades. Daytona Twin Tec continues to deliver the precision, durability and tuning control needed to maximize a Harley-Davidson engine’s true potential.