Fits 1997-04 Ford 4.6L/F-Series/Exped 3 Pc Performance Under Drive Pulley-15550 1INVENTORY Diaphragm repair kit for 12-803

Diaphragm repair kit for 12-803 or 12-804 fuel pressure regulators

8L (S6-232)

8 V8 1959 Ford Galaxie 332/5

TIG-welded on top of the polished steel shaft is MSD's adjustable mechanical advance assembly

Fits 1997-04 Ford 4.6L/F-Series/Exped 3 Pc Performance Under Drive Pulley-15550 1INVENTORY Diaphragm repair kit for 12-803Install 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