COMP Cams Performance Street Beehive Valve Spring - 0.959 in / 1.061 in OD (Set of 16) Ducts & Accessories Install a set of BBK

Install a set of BBK performance underdrive pulleys and see an average of 8-15 additional horsepower over the stock pulleys

All fuel pumps are for gasoline only

Ford Midsize Truck 1967-72

Valve sizes are recommended

Vacuum Canister

COMP Cams Performance Street Beehive Valve Spring - 0.959 in / 1.061 in OD (Set of 16) Ducts & Accessories Install a set of BBKWith a . 550" maximum lift, these Beehive Valve Springs were designed for Ford 4. 6L and 5. 4L Modular 2 and 3 Valve engines. COMP Cams Beehive Valve Springs deliver increased valve train stability and a much lighter valve train. This is achieved with less spring pressure for better valve control and reduced weight of both the spring and retainer. The unique Beehive shape handles valve train stress more efficiently to eliminate damaging harmonics and