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 aluminum pulley kits for maximum horsepower gains. ALL BBK pulley kits are designed as direct bolt on replacements for the current factory pulleys and retain full cooling and charging characteristics. BBK under drive pulley kits are vehicle specific and each kit comes with complete installation instructions and allow the re-use of existing serpentine belts.

This Part Fits:

Year	Make	Model	Submodel
1986	Ford	F-150	Base
1987-1992	Ford	F-150	Custom
1995-1996	Ford	F-150	Eddie Bauer
1995-1996	Ford	F-150	Special
1986-1996	Ford	F-150	XL
1993-1996	Ford	F-150	XLT
1986-1992	Ford	F-150	XLT Lariat
1986	Ford	F-250	Base
1987-1992	Ford	F-250	Custom
1995-1996	Ford	F-250	Eddie Bauer
1995-1996	Ford	F-250	Special
1986-1996	Ford	F-250	XL
1993-1996	Ford	F-250	XLT
1986-1992	Ford	F-250	XLT Lariat
1979	Ford	Mustang	Base
1979	Ford	Mustang	Ghia
1982-1983	Ford	Mustang	GL
1982-1983	Ford	Mustang	GLX
1982-1993	Ford	Mustang	GT
1984	Ford	Mustang	GT-350 20th Anniversary
1982,1984	Ford	Mustang	L
1984-1993	Ford	Mustang	LX
1993	Ford	Mustang	SVT Cobra
1993	Ford	Mustang	SVT Cobra R
1986	Mercury	Capri	5.0
1979	Mercury	Capri	Base
1979	Mercury	Capri	Ghia
1982-1985	Mercury	Capri	RS