Amazon
suitable for repair of spark plug threads contains special HSS taps M10 x 1.0, length 65 mm, with 10 mm external hexagon drive 4 threaded sleeves M8 x 1.0, lengths 9.5 - 11.5 - 12.7 and 19 mm
suitable for repair of spark plug threads contains special HSS taps M10 x 1.0, length 65 mm, with 10 mm external hexagon drive 4 threaded sleeves M8 x 1.0, lengths 9.5 - 11.5 - 12.7 and 19 mm