Precision Works Honda Acura H-Series H22A Block Guard

Protect your H-series engine from catastrophic head gasket failure with this precision-engineered aluminum reinforcement solution.

• •CNC machined from 6061 T6 billet aluminum for superior durability
• •Maximizes coolant flow for optimal engine cooling efficiency
• •Strengthens factory sleeves to prevent sleeve walk issues
• •Eliminates head gasket failure risks on high-performance builds

**Engine Fitment:**

• •H22 engines
• •H22A engines

This direct-fit performance upgrade is essential for Honda and Acura H-series engine builders seeking long-term reliability and sleeve stability.