Product Description
COMP Cams LSR Series Hydraulic Roller Camshafts 54-478-11
COMP Cams LSR Series Hydraulic Roller Camshafts
Camshaft, Hydraulic Roller Tappet, Advertised Duration 285/301, Lift .621/.624, Chevy, Small Block, LS
Brand: COMP Cams
Manufacturer's Part Number: 54-478-11
Part Type: Camshafts
Product Line: COMP Cams LSR Series Hydraulic Roller Camshafts
UPC: 036584195405
Cam Style: Hydraulic roller, OE roller
Camshaft Use: Racing
Basic Operating RPM Range: 2,500-7,200
Intake Duration at a 50-inch Lift: 235
Exhaust Duration at a 50-inch Lift: 251
Duration at a 50-inch Lift:
235 int./251 exh.
Advertised Intake Duration: 285
Advertised Exhaust Duration: 301
Advertised Duration: 285 int./301 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.621 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.624 in.
Valve Lift with Factory Rocker Arm Ratio: 0.621 int./0.624 exh.
Lobe Separation (degrees): 115
Camshaft Gear Attachment: 3-bolt
Remanufactured: No
Computer-Controlled Compatible: Yes
Grind Number: 285LCBHR15
Valve Springs Required: Yes
Quantity: Sold individually.
Notes:
Cannot use stock springs. Best with centrifugal-type superchargers. Custom computer tuning required.
COMP Cams LSR Series Hydraulic Roller Camshafts
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.
