BBK Under Drive Pulley Kit 6 Rib Serpentine Aluminum Polished - Small Block Ford Tape Measure stainless and steel surfaces

stainless and steel surfaces

High-strength aluminum alloy componentsVehicle Applications: 2015-2021 Ford F-150Vehicle Applications: 2015-2021 Ford F-150

Premium stainless steel T-bolt clamps and a reinforced silicone hump coupling are used for strength and durability while also providing the most secure installation available

Have problems installing freeze plugs

BBK Under Drive Pulley Kit 6 Rib Serpentine Aluminum Polished - Small Block Ford Tape Measure stainless and steel surfacesInstall a set of BBK performance underdrive pulleys and see an average of 8 15 additional horsepower over the stock pulleys. Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use. Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet