No problem with AEM's No-Weld O2 Sensor Mounts. These mounts have an integrated bung that makes it easy to install a wideband UEGO air/fuel ratio sensor using just a drill and the supplied hardware.
4FT 48in LSU4.9 for Bosch AEM WBO2 Wideband O2 Sensor Extension Harness LSU 4.9
LSU4.2 Wide Band O2 Sensor BOSCH 0258007206 For PLX AEM UEGO 30-2001 4100 USA
LSU4.9 O2 UEGO Wideband Bosch Oxygen Sensor for PLX AEM 30-2004 0258017025
Bosch 0258017025 LSU4.9 O2 UEGO Wideband Oxygen Sensor For PLX AEM# 30-2004 USA
Bosch 0258017025 LSU 4.9 Lambda Wide Band O2 Oxygen Sensor 30-4110 For AEM UEGO
AEM 30-2355-300 No-Weld O2 Sensor Mount for 2.75 to 3 inch Diameter Pipe