Daytona Twin Tec

Daytona Twin Tec: Precision Ignition for Harley-Davidson Riders

Daytona Twin Tec LLC is a Daytona Beach, Florida-based manufacturer that has built a singular reputation in the V-twin world by doing exactly one thing — and doing it exceptionally well. The brand focuses entirely on electronic ignition and fuel injection systems engineered specifically for Harley-Davidson motorcycles, earning the trust of professional tuners, custom builders, and dedicated riders across the country.

The philosophy behind every Daytona Twin Tec product is straightforward: bring precision electronics to the Harley-Davidson platform. Their components are designed around the most advanced available technologies and manufactured domestically in an ISO9000-certified facility, meaning quality control is built into the process from the ground up. Whether a rider is working with a stock engine or a heavily modified build, Daytona Twin Tec offers solutions that deliver measurable improvements in spark accuracy, throttle response, and overall engine efficiency.

A Complete Ignition Ecosystem for V-Twin Engines

At the heart of the Daytona Twin Tec lineup are their Electronic Ignition Systems — sophisticated units that support both carbureted and fuel-injected Harley-Davidson platforms. These systems feature adjustable advance curve families, selectable multi-spark modes for quick starting and smooth cruising, and programmable RPM limiters, giving tuners the flexibility to dial in timing for everything from a mild Touring bike to a high-compression custom build.

For riders looking to modernize an older Harley or change their engine’s induction setup entirely, Daytona Twin Tec’s Ignition Conversion Kits provide a clean, engineered path forward. These kits are designed to accommodate a wide timing advance adjustment range, making them suitable for stock and aggressively modified engines alike. Paired with a complete Ignition Kit — such as the well-regarded TC88 series — riders get everything needed for a thorough ignition upgrade in a single, cohesive package.

No ignition system performs to its potential without the right supporting components. Daytona Twin Tec’s Ignition Coils are purpose-built, high-output units designed to improve combustion stability and mid-range performance. They are matched to work seamlessly with the brand’s own modules, ensuring the entire ignition chain operates as a coherent, optimized system rather than a collection of mismatched parts.

Rounding out the ecosystem are Daytona Twin Tec’s Ignition Control Modules, including popular plug-in units like the TC88A for carbureted Twin Cam and Sportster models. These modules feature multiple rotary switches for on-the-fly adjustments to timing, advance slope, and RPM limits — all without requiring a laptop or specialized shop equipment for basic tuning. For those who want deeper customization, optional USB interface and PC software support full custom curve programming.

Coverage Across Harley-Davidson Platforms

Daytona Twin Tec products span a broad range of Harley-Davidson model families, including Touring, Softail, Dyna, Sportster, and FXR platforms, as well as classic Evolution and Knucklehead-era engines. This wide fitment coverage, combined with factory-style plug-in connectors and clear installation instructions, makes Daytona Twin Tec a practical choice for both seasoned shop technicians and confident home builders.