Many production cast iron and aluminum blocks suffer from a design weakness of cylinder stability by nature of poor support at the upper deck area. The manufacturing process of "cast in sleeves" provides for economy of scale in low horsepower engines, but does not accommodate high horsepower, high boost, or larger bore sizes. Darton has engineered a superior patented solution by using a unique designed cylinder sleeve which when siamesed and nested, creates a solid deck of sleeve flanges held in tension, reinforcing the upper deck area and provides for individual replacement with what they call modular integrated deck (mid).
In addition, darton designs' manage and enhance water flow from block to head ...(choose a part on the right to read more)
Known as: lock ring a 6 / lock ring 6 / lock ring b 6 / lock ring a6 / lock ring m 6
Known as: lock ring a 6 brake 60 mm / lock ring a 6 din 127 phr / lock ring a 6.4
Secures the front lower ball joint and prevents it from backing out. Sold individually. Driver's or passenger's side fitment. 2 necessary per car.
This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.