New performance spark plug wire set for GM LT1 LT4 5.7L 4.3L
High-temp silicone-insulated 10.5mm spark plug wires. Includes 4 lengths for fitment; customers note good quality and appearance but vary on fit and performance
Highlights
- 10.5mm racing wires
- multiple length options
- high-temp silicone insulation
Pros
- high-temperature silicone insulator
- includes multiple wire lengths
- visible quality and aesthetics
- compatible with multiple GM engines
Cons
- fit may be problematic
- some report wires are too short
- mixed feedback on performance and crimping
Best For
Features
- Includes one set of 10.5mm red racing spark plug wires
- 100% pure silicone outer insulation provides high-temperature resistance
- Wires sized as 36.61in, 33.34in, 29.33in, 25.19in, 24.8in, 18.89in (x2), 17.12in, and 11.61in
- Designed for Chevrolet GM LT1/LT4 5.7L and 4.3L engines from 1992–1997
- Suitable replacement wire set for automotive ignition systems