ACCEL 170061 Boot and Terminal Kit Perfect for creating your own custom 8MM and 9MM wire kits 90 degree red boots and socket style caps for 5/8 inch and 13/16 inch spark plugs 500 degree rated boots protect against dielectric leakage dirt moisture and other chemical contaminants Stainless steel terminals come with positive locking snap clips Spring loaded brass or stainless steel distributor terminals