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Aeroflow Performance 8.5mm (21/64") direct fit GM LS ceramic spark plug wire sets feature a 135-degree ceramic boot on one end and a 45-degree LS coil boot pre crimped. Ceramic lead boots have been developed to address the problems associated with burnt spark plug boots. Whether you're running headers with close tolerances, a turbo manifold and dump pipe with very little room in the engine bay for heat shields or you're just over melting your spark plug boots from extreme heat. These black ceramic wire boots are the answer! They can withstand temperatures of up to 1090°C (2000°F). Matched with our XPRO ignition lead wire that is 8.5mm spiral wound low resistance with high EMI suppression.
This kit contains 8 x 8" (203mm) length leads to suit various LS coils with 45° silicone coil boots and 135° ceramic spark plug boots.