COMP Cams LSR CATHEDRAL PORT 247/255 HYDRAULIC ROLLER CAM FOR GM LS GEN III/IV

HYDRAULIC ROLLER-400+ci, high rpm applications with major modifications and cathedral port cylinder heads.

Specifications:
Engine Family:GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range:2,400-7,000
Grind Number:297LRx HR14
Cam Type:Hydraulic Roller
Lifter Style:Hydraulic Roller
Camshaft Series:LSR Cathedral Port Large Displacement
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration:297
Advertised Exhaust Duration:305
Intake Duration at .050 Inch Lift:247
Exhaust Duration at .050 Inch Lift:255
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:111
Exhaust Close ATDC:36
Intake Open BTDC:36
Exhaust Open BBDC:88
Intake Close ABDC:80
Camshaft Gear Attachment:3-Bolt