Edelbrock/Russell 660360 Blue Anodized Aluminum -8AN Flare Union Adapter Designed to match with all Russell performance hose and hose ends 37 degree sealing angle guarantees a positive seal at maximum operating pressures Has an anodized finish Made of extremely durable 303 stainless steel and precision machined to ensure precise thread engagement and a tight seal Offered in standard thread, metric thread and pipe thread to fit most popular oil pumps, fuel pumps, fuel filters plus a variety of other common components