ITEM NAME:M18X1.5 O2 Oxygen Sensor Extender 90 Degree Angled Bung Extension Spacer Description: Avoid A Check Engine Light - An spacer, spaces the located after the catalytic converter out of the flow of exhaust gases. In situations narrowing of the inlet hole prevents motor failure (driving at high speed) . Fits all Standard oxygen sensors This spacer features M18x1.5mm threads allows you to easily screw your into the spacer and then the spacer into your exhaust.Polished front surfaces enabling perfect tightening Washer in the set - ability to adjust the angle of screwing in the extender 90 degree design for clearance - With a tight 90 degree design and modular fittings this oxygen spacer will fit in areas where you have limited clearance. Threads made with dedicated tool - perfect accuracy and repetability Exhaust gas inlet hole 4 mm. This will avoid damage to your . This exhaust spacer features the main 90 degree section plus 3 different adapters. These adapters allow you to adjust the length of the spacer including the side that screws into the exhaust as well as the side that the screws into Specification: Material: Brass Product detailed size: 41x40x24mm/1.61x1.57x0.94inch Rear Internal And External Thread:M8x1.5 Heightï ¼Å¡41mm Weight: 130g Package Includes: 1 Piece expansion connector SKU: DMO0013442073006009.This exhaust spacer features the main 90 degree section plus 3 different adapters. These adapters allow you to adjust the length of the spacer including the side that screws into the exhaust as well as the side that the screws into.