Product Information Hex head plug for O2 bung, CNC machined from stainless steel ,1-1/8" OD, 3/4" hex with M18 x 1-1/2" threads x 1" overall length for sealing off O2 bung when not using a O2 sensor, or capping a O2 bung for tuning.
Quick view Add to Cart Stainless Works Collector Adapter 3-Bolt 3in OD Tubing 3in OD Outlet + O2 Bung - HCA33O2 $134.00 $127.30
Quick view Add to Cart Stainless Bros M18x1.5 O2 Sensor Bung Plug w/ Copper Washer - 608-00600-0000 $7.99