Fits 1985-87 GM 5.0/5.7 F-Body/GM Truck 3 Pc Performance Under Drive Pulley-1598 fuel-pressure-testers 8 V8 1972 - 1980

8 V8 1972 - 1980 Ford F-350 302/5 V8 1965 - 1967 Ford LTD 289/4

3L V6 2004 GMC Sierra 1500 262/4

Year Make Model Submodel Engine Size 1969 - 1972 Mercury Marquis Brougham 429/7

SKU Number : 5066057AB Brand : Crown UPC : 848399033984 Part Type : Axle Shaft Dimension : 18

ELEC FUEL PUMP 6145-2 RED AUTO

Fits 1985-87 GM 5.0/5.7 F-Body/GM Truck 3 Pc Performance Under Drive Pulley-1598 fuel-pressure-testers 8 V8 1972 - 1980Install 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