Aeroflow Performance 8.5mm (21/64") direct fit GM LSceramic 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 addressthe problems associated with burnt spark plug boots. Whether you're running headerswith close tolerances, a turbomanifold and dump pipe with very little room in the enginebay for heat shields or you'rejust over melting your spark plug boots from extreme heat. These black ceramic wire bootsare the answer! They can withstand temperatures of up to 1090°C (2000°F). Matched with our XPRO ignitionlead wire that is 8.5mm spiralwound low resistance with highEMI 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.