806-M18-S M18 X 1.5 plug washer seal - STEEL

Speedflow 806-M18-S | M18 x 1.5 Plug with Washer Seal – Steel

Seal off unused M18 x 1.5 metric ports with this steel plug and washer seal from Speedflow. Built from durable steel for high-temperature and high-pressure applications, this plug is perfect for blanking off sensor ports, drain ports, and other metric-threaded openings on exhaust, engine, and turbo components.

Key Features

• M18 x 1.5 male thread with washer seal
• Steel construction for high-temperature and high-pressure use
• Washer seal ensures a leak-free connection
• Direct fitment — simple thread-in installation

Ideal Applications

• Blanking off unused sensor ports — O2, EGT, oil pressure
• Exhaust bung plugs for wideband and lambda sensor ports
• Sealing drain and return ports on engine blocks and heads
• Turbo oil and coolant port blanking
• Street, race, and project builds — Holden V8, Ford, Chev Small Block, LS, and more

Part Number: 806-M18-S
SKU: SF806-M18-S