Aluminum Engine Block Guard Blockguard for Honda Acura SOHC D16Y D16Z D15 D16 civic D-Series

Fitment:For Honda Acura SOHC D16Y D16Z D15 D16 civic D-Series Feature:Block Guard, also known as a sleeve saver, is a special cnc machined aluminum brace that fits into open deck engines (such as Honda B series) and prevents the cylinder sleeve from flexing during high RPM, nitrous or high boost applications.--- CAD designed and CNC machined from T-6061 Aluminum.--- The block guard expands and contracts at the same rate as your engine block, substantially reducing the potential for sleeve breaches during extended use.--- This guard maintains factory coolant flow to the heads and is excellent for street applications.--- Our block guards will NOT warp nor fracture under high pressure and create destructive hotspots around the cylinders.--- It maximizes the flow of coolant to key areas of the cylinder head.--- Increases support to your engines cylinder walls, reducing micro-fractures from forming due to unstable flex.--- No further modification needed for exact fit.Note: 2000 for Honda  A