Thread Size M10x1,5x143. Why Choose Elring?. Bolt Head-/Nut Design Female Torx. Cylinder Head Bolt Set. OEM References: FORD: 1 102 783, FORD: 1 102 783 (10x), FORD: 1 765 604, FORD: 1 765 604 (10x), MAZDA: 1E10-10-135 A, MAZDA: 1E10-10-135 A (10x), MAZDA: C401-10-135, MAZDA: C401-10-135 (10x), VOLVO: 30 711 635, VOLVO: 30 711 635 (10x).