- 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
High-performance plug wires with precut lengths and preinstalled boots and terminals for easy installation.
Precut spark plug wire set with boots and terminals installed for quick fitment; high-temp silicone and Spiro-Pro core for superior conductivity and longevity.
Designer, precut plug wire set with high-temperature silicone boots and a Spiro-Pro core for superior conductivity and long life.
Precut designer spark plug wires with high-temp silicone boots and Spiro-Pro core for superior conductivity and durability.
High-visibility, precut silicone spark plug wire kit with preinstalled boots and terminals.
Spiro-Pro core delivers superior conductivity and longer life; suitable for electronic and point ignitions. Made in the USA.
Precut, extra-high-temperature silicone spark plug wires with Spiro-Pro core for superior conductivity and durability. Made in the USA.
Designer plug wire sets precut with installed boots and terminals for easy fitment; Spiro-Pro core for superior conductivity and longer life.
Fully reprogrammable replacement ECU with Auto-Tune, continuous 10 Hz logging, and advanced fuel and ignition mapping.