Engine Block Guard Blockguard Sleeve Saver Aluminum Acura D15 D16 D17
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.