COMP Cams LSR Series Hydraulic Roller Camshafts 54-457-11

COMP Cams LSR Series hydraulic roller camshafts feature modern lobe profiles that take full advantage of high-flowing late model GM LS3 rectangular port cylinder heads. They are tailored for a specific rpm range and usage, from torque to high-rpm horsepower. Give your Chevy LS3 engine a shot in the arm with one of these COMP Cams LSR Series hydraulic roller camshafts.Brand: COMP Cams
Manufacturer's Part Number: 54-457-11
Part Type: Camshafts
Product Line: COMP Cams LSR Series Hydraulic Roller Camshafts
HP Direct Part Number: CCA-54-457-11
UPC: 036584195214
Cam Style: Hydraulic roller, OE roller
Camshaft Use: Street/Strip
Basic Operating RPM Range: 1,700-6,800
Intake Duration at 050 inch Lift: 223
Exhaust Duration at 050 inch Lift: 231
Duration at 050 inch Lift: 223 int./231 exh.
Advertised Intake Duration: 273
Advertised Exhaust Duration: 281
Advertised Duration: 273 int./281 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.610 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.617 in.
Valve Lift with Factory Rocker Arm Ratio: 0.610 int./0.617 exh.
Lobe Separation (degrees): 112
Camshaft Gear Attachment: 3-bolt
Remanufactured: No
Computer-Controlled Compatible: Yes
Grind Number: 273LRHR12
Valve Springs Required: Yes
Quantity: Sold individually.
Notes: Designed for small cu. in. engines. Cannot use stock springs. Requires custom computer tuning. Better flowing exhaust and intake is recommended.