LSR Roots Blower 239/243 Hydraulic Roller Cam for GM LS GEN III/IV

HYDRAULIC ROLLER-Best in street/strip LS applications equipped with a Roots type supercharger

In stock
Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,400-7,000
Grind Number: 289LRB HR14
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Roots Blower
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 289
Advertised Exhaust Duration: 293
Intake Duration at .050 Inch Lift: 239
Exhaust Duration at .050 Inch Lift: 243
Intake Valve Lift: 0.624
Exhaust Valve Lift: 0.624
Lobe Lift Intake: 0.367
Lobe Lift Exhaust: 0.367
Lobe Separation: 114
Intake Centerline: 112
Exhaust Close ATDC: 31
Intake Open BTDC: 32
Exhaust Open BBDC: 81
Intake Close ABDC: 77
Camshaft Gear Attachment: 3-Bolt
Component Part Number
Break-In Lube: 159