Rotary 12542 Fits Denso Spark Plug W20m-U by Rotary $7.01 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Spark Plug PRODUCT DESCRIPTION DESCRIPTION Denso Spark Plug W20M-U. Replaces NGK BM6A, Autolite 255, Champion CJ8. REPLACES OEM AUTOLITE 255 CHAMPION CJ8 DENSO W20M-U NGK BM6A TORCH L6C