Champion | part number: REJ38 REJ38 CHAMPION SPARK PLUG Refer to this application guide for exact engine model applicability. Thread Size: 14mm Reach: 3/8" Shielding Thread: 5/8"-24 Standard Electrode: Single Plug Gap: .018"-.023" Supercedes part number SA43 Engine: Franklin Continental MSRP: Now: $117.64 Add to Cart Champion | part number: REJ38 REJ38 CHAMPION SPARK PLUG MSRP: Now: $117.64 Add to Cart