14x3 Alum Round Milled Flat Base A/C

The 14x3 Alum Round Milled Flat Base A/C air cleaner assembly from Racing Power Co-Packaged is a classic intake solution designed for carbureted performance and street engines that demand reliable airflow without sacrificing visual appeal. This round, 14-inch diameter air cleaner accepts a 3-inch tall filter element and bolts to carburetors with a 5-1/8-inch flange, making it compatible with most vintage muscle cars, hot rods, and traditional engine builds where stock or restrictive intake systems fall short. Whether you're restoring a classic machine or building a period-correct street rod, this aluminum assembly provides the foundational airflow control that separates casual builds from dialed-in powerplants.

Machined from aluminum and finished in polished form, the 14x3 assembly features a ball-milled flat base design that reduces turbulence and promotes laminar airflow into the carb intake. The flat mounting surface ensures a secure, leak-free seal against the carburetor flange, while the milled texture adds visual depth that complements performance engine bays without the weight penalty of cast iron alternatives. At 5.41 lbs, this complete kit delivers significant weight savings compared to OEM air cleaners, contributing to better throttle response and reduced underhood heat buildup—critical factors in high-output carbureted engines where intake temperature directly impacts tune stability and power output.

Engine builders and vintage car enthusiasts benefit most from this assembly when running traditional four-barrel carburetors on displacement ranges from 283 to 455 cubic inches, particularly in applications where OEM air boxes create restriction or clearance issues. Installation is straightforward: bolt the flat base to the carburetor's 5-1/8-inch flange, insert the 3-inch filter element, and seal the lid—no adapters or modifications required for standard carb platforms. The polished aluminum finish withstands underhood temperatures and road salt while maintaining that show-quality appearance that discerning builders expect in their final product.