Comp Cams designed these 26113-16 Valve Springs for Ford 4.6L and 5.4L Modular 2 and 3 Valve engines. With a .570" maximum lift, they work great for high performance street, oval track as well as endurance applications. They deliver increased valve train stability as well as a much lighter valve train by using 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 as well as increasing high RPM horsepower and durability. The oval/multi-arc wire shape places the maximum area of the wire at the point of highest stress to handle valve train stress more efficiently as well as allowing better heat dissipation for longer life. Because of this unique Beehive design, the valve train can handle more RPM as well as more aggressive cam profiles. Comp Cams 26113-16 Valve Springs Specs: Number of Springs Per Valve: Single Valve Spring Style: Beehive Maximum Valve Lift: 0.570 in. Installed Height: 1.640 in. Coil Bind Height: 1.010 in. Outside Diameter of Outer Spring: 0.959/1.061 in. Inner Diameter of Outer Spring: 0.636/0.738 in. Middle Spring ID: N/A Inner Spring ID: N/A Spring Rate: 191 lbs./in. Seat Pressure: 79.91 lbs. Damper Spring Included: No Retainers Included: No Valve Springs Coated: No Valve Stem Seals Included: No Locks Included: No Quantity: Sold as a set of 16 Comp Cams –The Absolute Leader In Valve Train Technology!
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