they will specifically fit the B nuts of -16AN and -20AN fittings only with other sizes also sold separately
If you are interested in either of these
7hp Motor Won't Fit Commodore
SAE 5W-30 full synthetic racing oil
High-quality stainless steel construction for durability
Pulsar Turbos - PULSAR -12 AN Oil Drain Flange Kit for 6270G 7170G 6275G 6775G 7375G 7975G 7782G Turbos Sigma they will specifically fit theThe PULSAR 12AN Oil Drain Flange Kit is built to provide a secure, high flow oil return path for your Pulsar turbocharger. Designed specifically for Pulsar 6270G, 7170G, 6275G, 6775G, 7375G, 7975G, and 7782G turbos, this kit includes everything you need for a clean, leak resistant, and professional installation. Crafted from high quality materials, the flange offers a perfect seal with a 12AN outlet for seamless compatibility with your oil return line