Reinforced silicone breather hose replacing the cracked original rubber part, connecting the bottom of the intake manifold to the valve attached to the lower block breather hose, Audi B5/B6 1.8T early AEB/ATW/AWM/AMB codes.
High-rate valve spring kit for Audi 5-cylinder 20V engines, recommended with high-lift camshafts or regular use above 7000 rpm to prevent valve float. Compatible with OEM or 034Motorsport titanium retainers. Set of 20 pairs.