14in Classic Air Cleaner W/ Bowtie Nut

The 14in Classic Air Cleaner W/ Bowtie Nut from PROFORM is a premium engine intake assembly designed for classic Chevrolet applications requiring authentic restoration or reliable performance upgrade. This air cleaner serves as both a functional intake component and a visual statement piece, combining period-correct styling with proven engineering. Built for enthusiasts and professionals who demand original appearance without compromise on airflow efficiency, this assembly integrates seamlessly into classic muscle car and street rod builds.

Constructed from steel with a chrome finish, the 14in Classic Air Cleaner features a 3-inch filtration element and a 5-1/8 inch carburetor flange designed for direct bolt-on compatibility with Chevrolet engines. The dropped base design provides optimal clearance beneath hood lines while maximizing filter surface area for superior air intake capacity. The signature bowtie nut secures the assembly with factory authenticity, and the round profile delivers the unmistakable classic aesthetic that defines vintage Chevrolet engine bays. At 5 lbs with overall dimensions of 14.3 x 4.3 x 15.9 inches, this assembly balances substantial construction with balanced installation footprint.

Ideal for restoration shops, hot rod builders, and Chevrolet purists, the 14in Classic Air Cleaner delivers authentic appearance for first-generation through fourth-generation small-block and big-block applications. Installation requires basic hand tools and mounts directly to carbureted engines with compatible 5-1/8 inch flanges. Chrome finish resists oxidation under engine bay conditions, while the steel construction withstands thermal cycling typical of high-performance driving. Whether restoring a 1960s Camaro, Chevelle, or Corvette, or building a custom street machine, this assembly ensures correct factory specification meets modern reliability expectations.