3901 Comp Cam LSR 243/251 114

Excellent top end and high RPM power for race style LS engines with aftermarket cathedral port cylinder heads.
2,600-7,200 RPM Operating Range
243/251 Duration at .050". 114 Degree Lobe Separation Angle
0.624/0.624 Valve Lift
Cathedral Port Grinds - The LSR Cathedral Port camshaft series was designed specifically for the flow characteristics of LS1/LS2/LS6 design heads. Whether you have a 4.8L or 400+ C.I. LS, this series has grinds for any LS build.
Broad Powerband - Featuring a higher exhaust duration, wider lobe separation and more valve lift, the COMP Cams LSR series takes full advantage of the LS high flow cylinder heads.
Fits GM LS GEN III/IV LS. 3-Bolt Configuration.
Made in USA