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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K54-428-11
Comp Cams XFI RPM Hi-Lift Hydraulic Roller Camshaft Kit GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)
$1,31795
Ships on Oct 29, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
XFI RPM Hi-Lift Hydraulic Roller Camshafts
XFI RPM Hi-Lift Hydraulic Roller Camshaft Kit
GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)Lift: .571''/.573'' Duration: 281°/283° Lobe Separation Angle: 112° RPM Range: 2200-7200
High RPM street/strip camshaft for use with FAST LSX intake. Requires programmer.
GM Gen III/LS1/LS2/LS6 1997-PRESENT (Three-Bolt)
High RPM street/strip camshaft for use with FAST LSX intake. Requires programmer.
Kit Includes:
- Camshaft
- Lifters
- Valve Springs
- Retainers
- Valve Locks and Seals
| Operating Range: | 2200-7200 RPM |
| Duration Advertised: | 281° Intake / 283° Exhaust |
| Duration @ .050' Lift: | 228° Intake / 230° Exhaust |
| Valve Lift w/1.7 Rockers: | .571' Intake / .573' Exhaust |
| Lobe Separation Angle: | 112° |
GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed
High RPM street/strip camshaft for use with FAST LSX intake. Requires programmer.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight26.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)230
Cam StyleHydraulic roller tappet
Grind NumberXR281HR
Exh. Duration Advertised (Deg)283
Locks IncludedYes
Engine Make/SizeChevy Small Block (262-400)
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.571
Int. Duration @ .050 In. (Deg)228
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,200-7,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.571 in (14.503 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)281
Lobe Separation (Deg)112
Rpm Range2200-7200
Lifter StyleHydraulic roller
Advertised Duration281 int./283 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.573
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.571 int./0.573 exh.
Camshaft Gear Attachment3-bolt
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.573 in (14.554 mm)
Advertised Intake Duration281
Outside Diameter Of Outer Spring1.055 in (26.8 mm)
Intake Duration At 050 Inch Lift228
Exhaust Duration At 050 Inch Lift230
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration283
Lifter TypeHydraulic Roller
Duration At 050 Inch Lift228 int./230 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberK54-428-11
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
