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Supertech Block Guard for Honda B20 Engines (BG-B20)

$132.60 $165.70
-20%
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Supertech Block Guard for Honda B20 Engines (BG-B20)
$132.60 $165.70
$132.60 $165.70

Strengthen your engine's foundation with the Supertech BG-B20 block guard, specifically designed for Honda B20 series engines. This precision-engineered component is essential for high-performance builds, particularly those utilizing forced induction or high-compression setups where cylinder wall integrity is at risk.

By reinforcing the top of the cylinder sleeves, this block guard prevents "sleeve walk" and cracking, effectively converting an open-deck block into a more robust semi-closed deck configuration. Supertech manufactures these guards to exacting tolerances to ensure a perfect fit and reliable performance under extreme thermal and mechanical stress.

  • CNC machined from high-strength 6061 aluminum alloy
  • Engineered with precision coolant passages to maintain proper flow to the cylinder head
  • Reduces cylinder sleeve vibration and movement during high-RPM operation
  • Provides critical support for high-boost B20 applications
  • Manufacturer Part Number: BG-B20

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