For Chevy LS-Series Engine 1997-Up. Not for use with AFM/DOD. Camshaft RPM Range: 2200 to 5400 RPM. Camshaft Advertised Intake Duration: 283°. Camshaft Advertised Exhaust Duration: 286°.
Camshaft Cam Gear Attachment: 3-Bolt. Number of Springs Per Valve.
Outside Diameter of Outer Spring (in): 1.290 in. Spring Coil Bind Height (in): 1.140 in. Spring Install Height: 1.800.
Spring Open Height: 1.175. Spring Open Load: 318 lbs.
Spring Rate (lbs/in): 313 lbs. Inside Diameter of Outer Spring (in): 0.885 in. Camshaft + 16pcs Spring Set.
1E1840P Camshaft + 16pcs Matching Pac 1218 Springs. Please allow 1-3cm error due tomanualmeasurement. The color may have different as the difference display, pls understand.