DTR M18 x 1.5 304 stainless Oxygen Sensor Ports

1 DTR signature extended height O2 port 2 @ $8 DTR signature extended height O2 port 10 @ $6 DTR signature extended height O2 port 20 @ $5 DTR signature extended height O2 port 1 Extended height full heat sinked O2 port 2 @ $8 Extended height full heat sinked O2 port 10 @ $6 Extended height full heat sinked O2 port 20 @ $5 Extended height full heat sinked O2 port 1 Casted saddle style o2 port 2 @ $9 Casted saddle style O2 port 10 @ $7 Casted saddle style O2 port 20 @ $6 Casted saddle style O2 port 1 Standard notched O2 port 2 @ $4 Standard notched O2 port 10 @ $3 Standard Notched O2 port 1 Low Profile stepped 2 @ $4 low profile stepped 10 @ $3 low profile stepped