COMP Cams 54-446-11 XFI XE-R Hydraulic Roller Camshaft 281HR

GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)

XFI XE-R Hydraulic Roller Camshafts

Xtreme Energy XE-R design for standard displacement LS6 and LS1.

Operating Range:

2400-7200 RPM

Duration Advertised:

281° Intake / 283° Exhaust

Duration @ .050'':

232° Intake / 234° Exhaust

Valve Lift w/1.7 Rockers:

.595'' Intake / .598'' Exhaust

Lobe Separation Angle:

112°

Specifications:

Intake Valve Lift (in.) 0.595

Exhaust Valve Lift (in.) 0.598

Int. Duration @ .050 in. (Deg) 232

Exh. Duration @ .050 in. (Deg) 234

Int. Duration Advertised (Deg) 281

Exh. Duration Advertised (Deg) 283

Engine Make/Size Chevy Small Block (262-400)

Lifter Type Hydraulic Roller

Usage Street/Performance

RPM Range 2400-7200

Lobe Separation (Deg) 112

Advertised Duration 281 int./283 exh.

Advertised Exhaust Duration 283

Advertised Intake Duration 281

Basic Operating RPM Range 2,400-7,200

Cam Style Hydraulic roller tappet

Camshaft Gear Attachment 3-bolt

Computer-Controlled Compatible Yes

Duration at 050 inch Lift 232 int./234 exh.

Exhaust Duration at 050 inch Lift 234

Exhaust Valve Lift with Factory Rocker Arm Ratio (in.) 0.598

Grind Number XER281HR

Intake Duration at 050 inch Lift 232

Intake Valve Lift with Factory Rocker Arm Ratio (in.) 0.595

Quantity Sold individually

Valve Lift with Factory Rocker Arm Ratio 0.595 int./0.598 exh.

Valve Springs Required Yes

Manufacturer's Part Number: 54-446-11