WELD ON TUBE ADAPTER SPECS. 7/8"-14 THREAD WITH 1-3/4 OD x. 188 WALL TUBE. 1 LH 7/8"-14 LEFT THREAD. 1 RH 7/8"-14 RIGHT THREAD.
1/2-20 (1LH 1RH) Thread Weld In Bung Fits a 1.00" Tube with .083 Wall Thickness
3/4-16 (1LH 1RH) Thread Weld In Bung Fits a 1-1/4" Tube with .120 Wall Thickness
weld In bung 3/4-16 thread fits a 1-1/2 tube with .120 wall thickness (1LH 1RH)
Edelbrock 7814, Kit True Roller Timing Set SBF High Performance & Racing Parts
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