Genuine OEM Audi Camshaft Follower Spacer, part number 077109320CB. This small, precision-engineered component plays a vital role in the engine's valvetrain by maintaining the correct spacing for the camshaft follower. Proper spacing is essential for accurate valve timing and smooth engine operation. It is located in conjunction with the camshaft follower within the cylinder head assembly. Weighing approximately 0.021 kg, this spacer is a critical part of the engine's internal mechanics. Choosing a genuine OEM spacer ensures the precise dimensions, material hardness, and surface finish required for reliable, long-term performance and to prevent premature wear in the valvetrain.