- Precut with plug/coil boots and terminals preinstalled
- Extra-high-temperature compound rated to 600°F
- Spiro-Pro core for superior conductivity
- Runs cooler and lasts 3–4× longer than carbon-core wires
- Made in the USA
Active filters
Gear-reduction starter that increases cranking torque and installs easily.
Up to 46% more cranking torque than stock with intelligent gear reduction. Reliable starting without a high-amp battery. Easy installation.
Up to 46% more cranking torque with intelligent gear-reduction design.
Performs well without a high-amp battery.
Easy, bolt-on installation.
Up to 46% more cranking torque with intelligent gear‑reduction. Performs well without a high‑amp battery. Easy installation.
Delivers up to 46% more cranking torque with an intelligent gear-reduction design. Easy to install.
High-temp silicone boots and wires, Spiro-Pro core for superior conductivity, precut with boots and terminals preinstalled. Works with electronic and point ignitions. Made in USA.
Designer, precut spark plug wires with preinstalled boots and terminals for quick, hassle-free installation. High-temperature silicone boots and a Spiro-Pro core provide superior conductivity and long life.
Precut plug wire set with high-temperature silicone boots and a Spiro-Pro core for superior conductivity, cooler operation and extended life.
Designer, precut spark plug wire set with extra-high-temperature silicone boots, Spiro-Pro core, and extended service life.
Precut plug wires with high-temp silicone boots, Spiro-Pro core for low resistance and longer life. Made in USA.
Precut, preassembled spark plug wire set with high-temp silicone boots, Spiro-Pro core for superior conductivity, and long service life. Ready to install.
Precut spark plug wire kit with extra-high-temperature silicone boots, Spiro-Pro core for low resistance, and long life.