Improve exhaust sensor placement with this 90-degree M18 x 1.5 oxygen sensor spacer kit. Designed to reposition your O2 sensor away from the direct exhaust stream, this spacer can help reduce the likelihood of a check engine light after installing high-flow catalytic converters, test pipes, or off-road exhaust systems. Manufactured from durable metal for long-lasting performance, the compact 90° design also provides additional clearance in tight engine bays where a straight spacer may not fit. Features: M18 x 1.5 thread pitch 90-degree angled design for improved clearance Durable metal construction Helps reposition the downstream O2 sensor Ideal for custom exhaust systems, high-flow cats, and test pipes Includes hardware shown in photos Package Includes: (1) 90° O2 sensor spacer Internal inserts O-ring Retaining clip Note: This product is intended for off-road or racing applications. Compatibility may vary depending on your vehicle and exhaust setup. Please verify thread size and available clearance before ordering.