Comp Cams LSR Roots Blower Hydraulic Roller Camshaft
GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, GM LS, GEN III, GEN 3, GEN IV, GEN 4,
Best in street/strip LS applications equipped with a Roots type supercharger.
Specifications:
Duration at 050 inch Lift: 239 int./243 exh.
Basic Operating RPM Range: 2,400-7,000
Cam Style: Hydraulic roller
Camshaft Gear Attachment: 3-bolt
Engine Make/Size: Chevy Small Block LS
Exh. Duration @ .050 in. (Deg): 243
Exh. Duration Advertised (Deg): 293
Exhaust Duration at 050 inch Lift: 243
Exhaust Valve Lift: 0.624 in (15.85 mm)
Exhaust Valve Lift with Factory Rocker Arm Ratio (0.624)
Grind Number: 289LRBHR14
Int. Duration @ .050 in. (Deg): 239
Int. Duration Advertised (Deg): 289
Intake Duration at 050 inch Lift: 239
Intake Valve Lift: 0.624 in (15.85 mm)
Intake Valve Lift with Factory Rocker Arm Ratio (0.624)
Lifter Type: Hydraulic Roller
Lobe Separation (Deg): 114
Part Number: 54-467-11
Note: Stock Springs cannot be used