Supertech Performance BG-K20 Block guard for Honda K20 engines
Supertech Block Guards are designed for open deck engine blocks that are not designed for forced induction or high RPM situations. The Supertech Block Guard sits in the open deck motor and adds necessary support to the cylinder walls to keep them from cracking or moving. Supertech has taken their time to ensure that their block guard offers the most cooling benefits and allowing the engine to work without causing hot spots. Supertech engine are extremely high strength, corrosion resistant aluminum and CNC machined.