BGA Cylinder Head Bolt Set. Why Choose BGA?. Thread Size M10. Bolt Head-/Nut Design Male Torx. FORD: 1072042 FORD: 1072042(x10) FORD: 1102783(x10) FORD: 98MM6065A1A FORD: 98MM6065A1A(x10) FORD: 98MM6065A2B FORD: 98MM6065A2B(x10) MAZDA: C401-10-135 MAZDA: C401-10-135(x10) VOLVO: 30711635 VOLVO: 30711635(x10).