Trick Flow TrackMax Hydraulic Roller Camshaft & Valve Spring Upgrade Kit for Ford 4.6L/5.4L 2V Engines, 580/.580 Lift, Chromoly Retainers, 275lbs Spring

Specs:
Cam Style: SOHC
Basic Operating RPM Range: 1,800-6,500
Camshaft Use: Street/Strip
Camshaft Manufacturers Description: 1.050 in.
Intake Duration at 050 inch Lift: 234
Exhaust Duration at 050 inch Lift: 234
Duration at 050 inch Lift: 234 int./234 exh.
Advertised Intake Duration: 276
Advertised Exhaust Duration: 276
Advertised Duration: 276 int./276 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.580 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.580 in.
Valve Lift with Factory Rocker Arm Ratio: 0.580 int./0.580 exh.
Lobe Separation (degrees): 114
Camshaft Gear Attachment: 1-bolt
Computer-Controlled Compatible: Yes
Lifters Included: No
Valve Springs Included: Yes
Outside Diameter of Outer Spring (in.): 1.050 in.
Retainers Included: Yes
Locks Included: Yes
Valve Stem Seals Included: Yes
Timing Chain and Gears Included: No
Assembly Lubricant Included: No
Pushrods Included: No
Rocker Arms Included: No
Gaskets Included: No
Valve Springs Required: Yes
Quantity: Sold as a kit.