MID Sleeves 2.940" Bore

The Darton 400-100 MID sleeve is engineered for Honda and Acura engines, offering robust construction for enhanced performance and durability. This sleeve boasts precise specifications, including a 2.940-inch bore, a 3.400-inch outside diameter, and a 0.230-inch wall thickness, with an overall length of 5.450 inches. The flanged top design aligns against the block deck, providing superior strength and alignment. This particular sleeve is designed for applications requiring a bore size between 75mm and 78mm MAX, making it suitable for specific D16 engine variants such as the D16A6, D16Z6, and D16Y. The MID series sleeves are known for their ability to handle increased horsepower and boost potential while maintaining superior oil and compression control. Installation typically involves machine work on a CNC vertical mill, as detailed in the manufacturer's installation manual.