BBK Under Drive Pulley Kit - 5 Rib Serpentine - Aluminum - Small Block Chevy 1985-87 Brake Residual Valve BL3Z-9430-D

BL3Z-9430-D

or low vacuum conditions

1961-1965 GMC 1500 Series

but can be used with Allstar brackets along with bushing

BBK Under Drive Pulley Kit - 5 Rib Serpentine - Aluminum - Small Block Chevy 1985-87 Brake Residual Valve BL3Z-9430-DProduct Description: Pulley Kit Under Drive 5 Rib Serpentine Aluminum Natural Small Block Chevy 1985 87 Why follow when you can lead! That is the goal at BBK Performance To continue to Lead the aftermarket parts industry as the number one Manufacturer of EFI Performance Parts and Accessories! BBK has lived and breathed EFI performance now for over 20 years & now we are taking that knowledge and experience to another level by introducing new