Fits 1979-1993 Mustang 5.0 3 Pc Performance Under Drive Pulley (Billet)-1553 shifter-covers-and-skirts Audi A8 Quattro (2013-2018)

Audi A8 Quattro (2013-2018)

5 Subtitle Stainless Steel Title V-Band Type V-Band Quantity 1

74/8 V 1975 - 1978 GMC C25 4/8 V 1977 - 1985 Chevrolet K20 3

6 V8 1975 - 1984 Chevrolet C20 250/4

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Fits 1979-1993 Mustang 5.0 3 Pc Performance Under Drive Pulley (Billet)-1553 shifter-covers-and-skirts Audi A8 Quattro (2013-2018)Install 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