Technostalgia 8510 Nostalgia Retro Cadillac Oldsmobile Complete Steel Air Cleaner Assembly hot rods trucks rat rod Based on the style and proportions of the mid 50s Oldsmobile and Cadillac air cleaners (7/8 Scale to fit Tri-Five and other tight engine compartments) Perfect for any street rod, hot rod, tri-five or traditionally styled period perfect car Includes a unique wing nut to complement the air cleaner. This chrome plated, rocket shaped nut was modeled after 50s era space vehicles and measures nearly 1-1/8 inches tall New 12" filter, base and carb stud included Lifetime Guarantee