Replacing a tired Quadrajet-style setup does not have to mean giving up the tunability racers expect from a modular Holley carb. This 4175 spread-bore carburetor lets street and strip builders keep the spread-bore layout while gaining Holley-style adjustment, electric choke convenience, and vacuum-secondary drivability.

Holley 0-80555S 4175 Aluminum Spread-Bore Carburetor Features:

• 650 CFM airflow rating
• Vacuum secondaries
• Electric choke
• Spread-bore mounting flange
• Polished finish
• Power valve blowout protection
• Universal throttle linkage
• Sold individually

Emissions Note:

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