Holley 20-85 Cover-Diaphragm Housing

Holley 20-85 Cover-Diaphragm Housing Reviews

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Holley 20-85 Cover-Diaphragm Housing Feature

• Metal cover for a 4-barrel for durability and protection
• Meets or exceeds manufacturer's specifications
• 90-day limited warranty

The Holley cover diaphragm housing is designed to balance secondary operations on a 1x4 barrel application.

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May 30, 2011 08:08:05