Amazon
Thread Length [mm]: 12,7 NGK Part# BPR4HS-10 Zinc dipped shell prevents corrosion Spanner width: 20.8 mm Spark position [mm]: 4.5
AUTODOC
5024; Spark plug; NGK; M14 x 1,25 20,8 mm; 9807654914, 9807654917, 9807654944, 9807654947, 1337567741, BPR4HS10