Aeroflow Straight Male to Male with 1/8" Port -12AN AF141-12BLK 400 Series Push Lock You'll note that the studs

You'll note that the studs have a radiused bullet nose that serves to locate the pan rails

This high calibre rear main gasket and rear crank seal is great when rebuilding an engine or your rear main is leaking which is a common issue with GM LS engines

12-Point Head Black Oxide1/4" UNC x 2

Part Number: AF8005-4053BLK

Aeroflow Straight Male to Male with 1/8" Port -12AN AF141-12BLK 400 Series Push Lock You'll note that the studsStraight Male to Male with 1 8" Port 12AN Black Finish Brand: AEROFLOW Part Number: AF141 12BLK Description: Straight Male to Male AN with 1 8 NPT Port. A simple straight Male to Male AN adapter fitting that also features a 1 8 NPT auxilliary port that can be used for sensors, sender unitsor a gauge. Various sizes available from 3AN to 16AN. Available in Blue, Black & Silver.