Elring Cylinder Head Bolt Set. Why Choose Elring?. FIAT: 4828150 FIAT: 4828150 (12x) FIAT: 4854648 FIAT: 4854648 (10x). Bolt Head-/Nut Design External Hexagon. Thread Size 1 M12x1,25x119. Check your vehicle's specifications match the compatibility list below.
