Torch Spark Plug L7RTC Alternative Candles Replacement for NGK BPMR7A Autolite 2974 XST2974 Champion 852 RCJ6Y Denso W22MPR-U Fits for Engine 2500 3800 4500 5200 5800 MS170/MS180 MS230/MS250 MS380/MS381 MS660 MS070 137/142 365/372 268/272 PT350/360 TU26 34F 36F 40F-5 44F-5 ...