Block Guard Blockguard

Block Guard (Blockguard) for Honda D15, D16 Series. Block Guards help prevent catastrophic engine failure. Must have for turbo, NOS and supercharged applications! Outstanding for NA. CAD design and CNC milled from 6061 Aluminum. Turns open deck into semi-closed deck. Machined coolant passages promote critical coolant flow especially where the cylinders join. Without these coolant passages, other brand block guards may create destructive hotspots around cylinders. Machined to be slightly oversized to compensate for the cylinder "walk" flaw common in open-block designs.

Block Guard (Blockguard) for Honda and Acura H22, H23 & F22 Series. Block Guards help prevent catastrophic engine failure. Must have for turbo, NOS and supercharged applications! Outstanding for NA. CAD design and CNC milled from 6061 Aluminum. Turns open deck into semi-closed deck. Machined coolant passages promote critical coolant flow especially where the cylinders join. Without these coolant passages, other brand block guards may create destructive hotspots around cylinders. Machined to be slightly oversized to compensate for the cylinder "walk" flaw common in open-block designs.

Provides strength to stock sleeves and prevents sleeve walk. that can cause premature head gasket failurePrecise CNC-machined, prevents cylinder sleeve flexing that typically comes with Honda race engines. The race research and development department has designed a superior sleeve saver that can eliminate engine sleeve flex. This sleeve saver features a revolutionary design that reinforces your cylinder sleeves while prompting the necessary and adequate water flow ensuring the cooling principles of the engine. good for super charged /turbo , NOS, and all-motor cars