IGNITION COIL COMPATIBLE STIHL FC 56 C , FS 40 , FS 40 C , FS 50 , FS 50 C , FS 56 , FS 56 C , FS 56 R , FS 56 RC , HT 56 C , KM 56 C , KM 56 RC MODEL - TECHNICAL SPECIFICATIONS WIDTH - HEIGHT - LENGTH - HOLE SPACING - CODE: 18270547 ORIGINAL CODE: 4144 400 1303 , 4144 400 1316 SR