Thread Size M10x1,5x115. Why Choose Elring?. Bolt Head-/Nut Design Polydrive. Cylinder Head Bolt Set. OEM References: AUDI: 06A 103 384 C, AUDI: 06A 103 384 C (10x), SEAT: 06A 103 384 C, SEAT: 06A 103 384 C (10x), SKODA: 06A 103 384 C, SKODA: 06A 103 384 C (10x), VW: 06A 103 384 C, VW: 06A 103 384 C (10x), VAG: 06A 103 384 C, VAG: 06A 103 384 C (10x), CUPRA: 06A 103 384 C, CUPRA: 06A 103 384 C (10x).