The Magnuson Supercharger Pulley is a high-quality aluminum pulley designed for superchargers with 6 ribs and a 3.8" diameter. The black color adds a sleek and stylish look to the car while the manufacturer part number 57-00-06-134-BL ensures compatibility. This pulley is a reliable and durable component for enhancing the performance of car and truck engines. Was on a Magnuson kit that was purchased new, pulley was removed for a smaller pulley before installation. Pulley has never been ran.
