Thread Size M12x1,5x135. Elring Cylinder Head Bolt Set. Why Choose Elring?. HYUNDAI: 22321-2A600 HYUNDAI: 22321-2A600 (10x) KIA: 22321-2A600 KIA: 22321-2A600 (10x). Bolt Head-/Nut Design Male Star. Check your vehicle's specifications match the compatibility list below.
