O2 Bungs & Spacers

BLOX Racing O2 Bung & Cap BLOX Racing offers a full line of DIY performance parts. BLOX Racing oxygen sensor bungs and fitting caps are availab...

Universal O2 Spacers with Catalytic Converters scrub the exhaust and lengthen the distance between the O2 sensor(s) and the exhaust flow to reduce...

This is ideal if you need to 'plug' an existing sensor hole. Universal fit and will fit 99.9% of lamda threads

Made from stainless steel, this spacer is ideal if you are running a race header but do not have K-pro. This is used on the post-cat o2 sensor and...

Made from stainless steel, this boss is ideal if you need to run an extra sensor or even if you are building a custom exhaust system. We also sell...