WELD ON TUBE ADAPTER SPECS. 3/4-16 LEFT HAND THREAD. 3/4-16 RIGHT HAND THREAD.
7/8-14 (1LH 1RH) Thread Weld In Bung Fits a 1-3/4" Tube with .120 Wall Thickness
1/2-20 (1LH 1RH) Thread Weld In Bung Fits a 1.00" Tube with .083 Wall Thickness
weld In bung 3/4-16 thread fits a 1-1/2 tube with .120 wall thickness (1LH 1RH)
Denso 221-3416 Radiator
Oil Filter Adapter, 3/4"-16 Thread to 1"-16 Thread Baldwin B7379 8u Made-in-USA
ARP Thread Cleaning Chaser 1/2-13 Thread Pitch Steel Ea 911-0005