5.5mm Single CNC Titanium Retainers

The Ferrea E11142 is a set of single CNC titanium retainers, designed for high-performance applications. These retainers feature a valve stem size of 5.5 mm, a diameter (A) of 21.10mm, and an inner step diameter (C) of 15.11mm, crucial specifications for ensuring proper valve train function. Specifically engineered for the Honda Civic Si 1.5L with a DOHC VTEC 16-valve turbocharged L15 engine, this set is compatible with models from 2017 to 2020. The use of titanium in the construction of these retainers offers a significant reduction in weight compared to traditional steel, which can lead to improved engine response and durability under high stress. Please be aware that this item is considered a special order. It is not available for immediate pickup or dispatch, and no returns, cancellations, or refunds are allowed on special orders. Delivery may also be extended, potentially requiring an additional 2-4 weeks beyond the standard timeframe if consolidated with other goods from the same manufacturer. An express delivery option is available for urgent needs; please contact sales assistants for details.