Auto Meter 3304 Sport-Comp Mechanical Boost Gauge 2.3125 in.

The Auto Meter 3304 Sport-Comp Mechanical Boost Gauge combines Auto Meter's classic, tough appearance with over 30 years of race-proven design. This mechanical boost gauge features a 2.3125-inch dial, precision movement for extreme accuracy, and a red pointer for quick-glance monitoring. The gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, a 1/4” NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed installation instructions. Mechanical operation requires no electrical system making it compatible with both street and race vehicles. Traditional incandescent perimeter lighting provides clear illumination of the dial. Constructed with durable plastic materials, this Sport-Comp gauge delivers rugged, reliable performance under harsh conditions.

• Auto Meter’s race proven mechanical instruments provide trusted accuracy while being simple to install
• No electrical system required for gauge operation - compatible with every street or race vehicle
• Mechanical movements provide accuracy and durability even in the harshest environments
• Gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, 1/4” NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
• Traditional incandescent lighting illuminates around the perimeter of the dial