Built to match the original equipment in length and fit, ACDelco OES Ignition Wire Sets also offer a performance advantage over many aftermarket products. Product Features:ACDelco OES wire sets are designed to be like Original in critical areas such as cable length and diameter, terminal design and insulator positionHave broad coverage available for most vehicles on the road today from 1980 to presentProvide a high degree of Radio Frequency Interference (RFI) suppressionAre designed to offer fit, form and function for optimum performanceKevlar reinforced fiberglass core in select sets for increased strengthCore sheathed in radio-static absorbent material for increased RFI suppressionWire-wound, stainless steel alloy conductor for maximum spark delivery and RFI suppression on most applicationsA layer of conductive heat-resistant latex for added durabilityInsulating rubber-based compound inner jacket helps minimize voltage drop and enhance durabilityThick silicone outer jacket for excellent heat resistance