COMP Cams 54-428-11 XFI RPM Hi-Lift Hydraulic Roller Camshaft 281HR
GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)
High RPM street/strip camshaft for use with FAST LSX intake. Requires programmer.
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Operating Range: |
2200-7200 RPM |
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Duration Advertised: |
281° Intake / 283° Exhaust |
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Duration @ .050'' Lift: |
228° Intake / 230° Exhaust |
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Valve Lift w/1.7 Rockers: |
.571'' Intake / .573'' Exhaust |
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Lobe Separation Angle: |
112° |
Specifications:
Intake Valve Lift (in.) 0.571
Int. Duration @ .050 in. (Deg) 228
Exh. Duration @ .050 in. (Deg) 230
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
Exhaust Valve Lift (in.) 0.573
RPM Range 2200-7200
Lobe Separation (Deg) 112
Advertised Duration 281 int./283 exh.
Advertised Exhaust Duration 283
Advertised Intake Duration 281
Basic Operating RPM Range 2,200-7,200
Cam Style Hydraulic roller tappet
Camshaft Gear Attachment 3-bolt
Computer-Controlled Compatible Yes
Duration at 050 inch Lift 228 int./230 exh.
Exhaust Duration at 050 inch Lift 230
Exhaust Valve Lift with Factory Rocker Arm Ratio (in.) 0.573
Grind Number XR281HR
Intake Duration at 050 inch Lift 228
Intake Valve Lift with Factory Rocker Arm Ratio (in.) 0.571
Quantity Sold individually
Valve Lift with Factory Rocker Arm Ratio 0.571 int./0.573 exh.
Valve Springs Required Yes
Manufacturer's Part Number: 54-428-11