The ALM Manufacturing CJ8 Spark Plug with M12 thread is engineered for reliable ignition performance in small petrol engines. This M12 variant is suitable for many petrol brush cutters, chainsaws, garden vacuums, grass trimmers, hedge trimmers and other compact machinery fitted with a 14mm plug. The M12 thread configuration ensures secure fitting and proper contact, delivering consistent spark generation for optimal engine performance. Its broad compatibility makes it an excellent replacement option for trade professionals and equipment maintenance specialists who service multiple brands. This spark plug compares directly to an extensive range of leading brands including AC Delco (CS42, CS49, C47W, CS45), Autolite (235, 254, 255, 2995, 2996, XST255), Bosch (WS7E, WS8E, WS9EC), Denso (T20M-U, W14M-US series), NGK (BM4A, BMR4A, BM6A, BM7, BM7A), Motorcraft (A3NX, A7NX, AR7N), and many others. Features and Benefits:M12 thread specification for secure and reliable fitting14mm plug di