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high-performance rings
5T (manual transmission)
5") tubing for increased airflow and factory diameter hot-side outlet to aid in turbocharger spool
It provides attachment points for the factory MAF
Darton MID Sleeves Kit Honda Civic SI 2017+ L15B7/ L15CA Bore from 73mm - 74.5mm 400-115 Suspension high-performance ringsFITS: L15b engines and L15ca 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 solution by using a unique designed cylinder sleeve which when
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