TechnoResearch O2 Bung Refill Kit - TR200045

Complete kit to add 18mm x 1.5in. threaded bungs for O sensors and O tuning samplers
Remove heat shields, install bung and tune; when completed, use included screw and copper washer to seal bung and then replace heat shield for unaltered finish
No pump or sampling tube required and allows both cylinders to easily be monitored at the same time
No welding
Bung installation kit includes one hydraulic insertion tool, one drill bit, two O sampler blocks, tubing, 25 Rivnuts, 25 screws and 25 copper washers, all contained in plastic case
Refill kit PART #3807-0378 includes 25 each of bungs, plugs and copper washers, sold separately
Made in the U.S.A.